The outlook data file has reached the maximum size office 2016. How to Increase PST File Size in Outlook 2007,2010.

The outlook data file has reached the maximum size office 2016 Fix 4: Archiving data and creating a new PST File. ost). Jun 21, 2018 · "The Outlook data file C:\Users has reached the maximum size. To reduce the amount of data in this file, permanently delete some items that you no longer need. Administrators can reduce maximum mailbox sizes per user or globally, see: How to set Exchange Online mailbox sizes and limits in the Microsoft 365 environment for details. The Scanost. "Quota Exceeded, your account is above quota limits" If your mailbox is nearing its maximum capacity, we will begin May 5, 2025 · Recommended: Driver Updater - Update Drivers Automatically. By default, Outlook limits the size of OST files to maintain Outlook performance locally. It cannot fix the highly damaged PST file. ost data file has reached its maximum size. So when I try to do that, it just gives me this verbiage again. In Info, click Account Settings and then select Account Settings from the Jul 1, 2024 · The Webbyacad OST to PST Converter Tool is a reliable option for maintaining all data items from OST files. This write-up deals with all the dimensions of this issue and covers this topic holistically. ost) files in Outlook. The maximum limit on the PST file is 20 GB. Jun 7, 2024 · Summary: OST file has reached the maximum size is an error message that appears when the size of OST reaches its configured file size or threshold limit. exe tool for errors that occur with your offline Outlook Data File (. Help please. If your mailbox is nearing Aug 22, 2025 · In Outlook 2003 and Outlook 2007, the maximum recommended size of a Unicode pst-file and ost-file has been limited to 20GB. Note:- Split Archive PST Without Outlook Manual PST File Size Reduction Techniques Have Limitations Although the manual methods are totally free, they do have certain drawbacks when it comes to splitting a huge PST file. Increase OST File Size Limit Outlook 365 Registry to prevent issues and file corruption. To reduce the amount of data in the message store, select some items that you no longer need, and permanently (Shift + delete) delete them. Jul 21, 2025 · Dealing with an Outlook data file that has reached its maximum size can be frustrating, but we have the tips to help you resolve this issue. May 26, 2016 · I can't send or receive email in Outlook 365 without this message: "The Outlook data file C:\Users\Jim\AppData\Local\Microsoft\Outlook. pst). However, with time, the size of these files increase that may hamper the functioning of your Outlook application. exe However, this method can only resolve the basic flaws of the PST file. May 19, 2018 · If your PST file gets oversized, you can follow this tutorial to increase the PST size limit in Outlook 2016 / 2013 / 2010 / 2007 / 2003. One of the most beneficial features of this tool is its compatibility with OST files from all Outlook versions, including Outlook 2021, 2019, and 2016. ost files is 50 GB. pst" file), or the OST file (for IMAP/Exchange accounts), exc Jun 23, 2025 · "the message store has reached its maximum size" message in outlook, how to fix it?I have cleaned the "Trash" folder, but the same message shows up whenn trying to clean other folders. e ScanPST . If the answer is helpful, please click " Accept Answer " and kindly Apr 13, 2021 · The Outlook data file C:\Users\name\AppData\Local\Microsoft\Outlook\username has reached the maximum size. pst) or Jul 9, 2025 · 4. Stellar Repair for Outlook is available for Windows 7, 8, 8. Office 365 outlook pop3 email account mailbox file size exceed. Microsoft Outlook uses an OST file to store a synchronized copy of mailbox data locally. The good news is, you have come to the right place indeed. Based on my search, you can increase the limit via the registry to manage the Outlook data files size. Once you free up space, you should be able to send and receive emails again without any issues. 0\Outlook\PST WarnLargeFileSize Don’t set this higher than 4090445042 (decimal) or Nov 8, 2023 · Learn about Outlook for Windows PST and OST data files and the 50GB size limit set by Microsoft. ost) cannot be compacted directly. Aug 24, 2022 · Hi all, I have a strange issue, I have multiple users in an RDS environment that have access to multiple mailboxes (admin shared via 365 admin). Reopen Outlook and create a new PST file by going to File and selecting New click on Outlook Data File. Sometimes Outlook is just bad at handling the file, and the used space is much less than the file size. We have tried to empty a lot of space and still we are facing this issue. Feb 2, 2025 · How to Fix Outlook Data File Has Reached the Maximum Size Error? This part defines the complete and simple procedure to troubleshoot Outlook data files that have reached the maximum size issue. You may experience performance issues and delayed email send/receive operations due to increasing file size. pst reaches its maximum file size limit, it leads to send/receive errors in Outlook, preventing users from sending or receiving new emails or other mail items. ost has reached maximum size? Get solutions to fix the errors in Outlook 2019, 2016, 2013, 2010, 2007, 2000. ost) files are in Unicode format in Microsoft Outlook 2010 and Outlook 2013. 5 days ago · I find it odd that they support 100GB mailboxes on Exchange while the recommended maximum ost-file size for Outlook is still 50GB. Apr 7, 2023 · Here's an alternative way you can try to fix the issue of a data file reaching its maximum size in Outlook: Open Outlook and go to the "File" tab. Here, you’ll get solution to fix . For most users, the OST file is relative to the mailbox size (only 1 year cached), but for one user the OST rapidly reaches the max OST file size of 50GB and then seems to get “stuck” trying to sync email indefinitely. These files are called Outlook Data Files and carry the extension . jamestkirk (Captain James T Kirk) April 13, 2020, 1:45pm 12 Dec 19, 2022 · Summary:- Outlook Data file, commonly known as PST file ( Personal Storage Table), is the most popular file format to save Outlook mailbox data. Select "Options" from the left-hand menu. May 30, 2018 · How to manage Outlook cached mode settings and OST file sizes using Group Policy and registry settings to improve performance and the end user experience. It migrates large and multiple OST files to PST. However, the OST files have storage limits that can be surpassed with regular usage of the email client. In this guide, we have shared a few fixes and solutions that can help you resolve the OST file size issue in Windows Outlook. To reduce the amount of data in this file, select some items that you no For example, if you 're using Outlook 2007 the size limit of the PST file is 20 GB, and in Outlook 2016, 2013 & 2010 is 50 GB. Jan 30, 2024 · By default, Personal Folders (. Even I try registry… Explore how to increase the storage capacity of PST files in Outlook 2003, 2007, 2010, 2013, and 2016 with simple steps to expand your email storage limit. In this article, we have different methods to solve this issue. While Outlook data files reach their maximum size, a notification is displayed on your screen. pst has reached the maximum size. The reasons are mentioned below : Sometimes it happens when two Outlook versions are installed on the In today's video, we look at how you can fix a common issue that shows "The file Outlook. ost files has a preconfigured limit of 50 GB. Large mailboxes can take longer to open and search, and many email providers, including Microsoft 365, limit the maximum size of your mailbox. Mar 3, 2024 · Having separate data files for separate Shared Mailboxes greatly helps in slowing down the time it takes for your main account's data file to reach the maximum size limit. Jun 5, 2025 · The message store has reached its maximum size. pst or . Go to User Accounts > Mail (Microsoft Outlook) and click on Data Files. Exceeding the size limit may result in Feb 6, 2025 · Error: The message store has reached its maximum size. As you send and receive more emails, the PST file grows larger with time and usage. If the OST is ANSI, the default limit is set to 2 GB. May 30, 2023 · If you see Outlook Data File has reached the maximum size message, then you can try the following resolutions: Reduce the size of . Normally, when you delete emails, the file size isn’t reduced immediately—compacting manually can help free up space. Dec 20, 2023 · Table of Contents Fix 1: Delete unwanted items from Outlook Fix 2: Compacting the PST File Fix 3: Reducing the size of PST files. Sep 22, 2025 · Learn how to fix Outlook "Mailbox Size Limit Exceeded" errors and free up some valuable space in your inbox! Dec 5, 2024 · Higher-tier versions of Outlook typically have larger storage limits, allowing you to store more data without encountering this “The message store has reached its maximum size” error. Jun 25, 2025 · In earlier versions of Outlook, we previously recommended that you use the Scanost. Jan 31, 2025 · Why Outlook Data File Reached the Maximum Size? If you need to address the “PST and OST have reached the maximum size” error, you will need to reduce the amount of data in the file, and to address this issue, start by understanding the reasons why the OST file has reached its maximum size. By default, Outlook limits the size of a local PST file to 20 GB (for Outlook 2007) or 50 GB (for Outlook 2010, 2013, 2016, or 2019). If you auto-map additional mailboxes the original mailbox OST is used to store the Aug 13, 2025 · Did you experienced Outlook. To resolve this, consider permanently deleting unnecessary items to reduce the file size. Apr 9, 2015 · Summary: MS Outlook stores data in two types of files – PST and OST. Nov 5, 2024 · When Outlook. I can't use clean up tool. ost file or corrupted user profile account. pst file Increase the size limit for . If you know someone who needs to see it, share it. Can export the data in a multitude of formats besides PST – HTML, MSG, RBOX, RTF, and more. Solution Outlook has a 50 GB Limit for OST/PST files. You can delete the unnecessary emails that are no longer for your use. Solution 1: Reduce OST file Size via Compacting Mar 8, 2023 · Microsoft Outlook reports ost file has reached maximum size, mailboxes do not receive new emails or update correctly. The outlook. However, with the solutions outlined above, you can address the issue and prevent data loss or corruption. This is mainly due to the corrupted . Hey there - new to this thread, so please forgive me if it's been asked a million times. pst and . Fix 5: Repair the Corrupt PST File May 12, 2025 · 1. Scroll down to the "Export" section and click the "AutoArchive Settings" button. the "outlook. Jun 25, 2025 · This attachment limit is not related to the limit in Outlook for Internet email accounts. Jul 14, 2025 · Describes how to configure the size limit for both (. Thus, to-do Mar 16, 2022 · Do you fail to send or receive any email through your Outlook? Each time you try, Outlook prompts the message store has reached its maximum size. Well, Don’t Worry. pst files through the Oct 11, 2023 · The “Outlook data file (. pst) has reached its maximum size” error is a common hindrance for Outlook users. This procedure directly tells Outlook to allow a larger data file, solving the root cause of the problem by increasing the limit from 50 GB to 100 GB. 7. It allows you to backup Outlook mailbox emails, contact, calendar, tasks, journals, notes and other items, including the attachment files from the MS Outlook application. Nov 19, 2023 · Hi Frank_Lee, here are some insights regarding the issues you raised: - Outlook Warning Window: The warning you received is a result of your Outlook data file (`. It helps users access their Outlook data in offline mode. Oct 6, 2025 · Also, it solves the problem for the Outlook data file has reached the maximum size of Office 2016. The overall size of . May 24, 2023 · This software will help you to resolve or fix the ‘Outlook Data File has reached the Maximum Size’ issues in PST as well as OST files. The WarnLargeFileSize registry entry (default value is 48,640 MB (47. Jan 4, 2019 · If your Outlook 2019/365 mailbox is getting full you will be sent an email message to tell you that your mailbox is approaching the quota. Jan 21, 2025 · If you're using the desktop version of Microsoft Outlook for Windows and have Office 2016 or earlier, you can increase your mailbox size for PST and OST data files beyond the 50 GB limit by editing the registry. Click Open File Location. To reduce the amount of data in this message store, select some items… Mar 28, 2019 · Outlook "0x8004060C" occurs when the Outlook PST data file (aka "Message store", e. bak extension to create a backup copy of the original OST file. This issue can be fixed by compress/ split PST file. Changing account to remove Sep 30, 2022 · A few Windows users are facing the issue “You cannot delete this Outlook data file” when trying to delete the corrupted Outlook data file and deleting an account from it. Close Outlook to release the lock on the file. ost`) reaching its maximum size. However, at the same time, PST files also have a certain limit, according to In this tutorial, we will teach you How to fix Outlook error 0x8004060C If you found this video valuable, give it a like. Nov 29, 2024 · Outlook data file has reached the maximum size? This post provides you with several useful solutions to help you fix it. I ended up deleting my oldest e-mails, roughly 4 years worth, and my OST file size stayed the same. I can't even delete emails. Apr 30, 2020 · You can Easily set up a registry and increase your PST File Size limit, you can find below the file name and registry path where you need to update records File Path Outlook 2016: HKEY_CURRENT Jan 2, 2024 · It supports fixing PST files too large and cannot delete issues by breaking them into small files. So, it’s important to control the size of these Outlook data files, which you can do by setting the limit via registry entries. So it can be clearly inferred that there may be many reasons which are responsible for the occurrence of Outlook Error 0x8004060c. You can increase the size of the PST file manually by registry entities. Aug 20, 2023 · Hi After a user has an Exchange 2016 mailbox size of more than 50GB, Outlook 2019 cannot send and receive emails, how to deal with this situation? So at work I finally hit my 50gb cap, so outlook was freezing up and crashing any time I tried to switch folders or open e-mails. Jul 18, 2024 · Unable to use Outlook due to the ‘Outlook data file has reached the maximum size’ error on Windows? Here's how to fix it. Exceeding the size limit may result in Mar 2, 2024 · Primary O365 Outlook OST data file has reached maximum size - Separating Shared Mailboxes to different data files Anonymous Mar 2, 2024, 6:30 PM Nov 21, 2021 · To reduce the amount of data in this message store, select some items that you no longer need, permanently (shift - del) delete them. We recommend you to make use of the Remo PST Repair tool to fix the Jul 25, 2025 · Usually, a Unicode OST file has a preconfigured limit of 50 GB in Outlook 2021, 2019, 2016, 2013, and 2010. This limit is larger than the limit for Unicode . 5. Full text of error message is "The message store has reached its maximum size. After Watch this Video You Can Solved "The message store has reached its maximum size outlook"**Related Search**outlook error the message store has reached i Jul 13, 2023 · After this maximum size is reached, Outlook does not permit the size of the file to grow beyond this size. For example, to increase the maximum size for a PST or OST file to 100GB, add the following value: Has your Outlook data file reached maximum size OST? To get rid of this problem, this article will offer six comprehensive solutions that will assist you proficiently. 3 days ago · The Outlook data file has reached the maximum size. Although a Unicode PST file can grow as large as 50 GB in Outlook 2013, 2016, 2019, and 2021, the maximum recommended size limit for PST file is 20 GB to ensure consistent Mar 31, 2023 · Learn how to resolve Outlook Data File (OST) has reached the maximum size error in Outlook. Stellar Repair for Outlook can repair password-protected Outlook PST files. To reduce the amount of data in this message store, select some items that you no longer need, and permanently (SHIFT + DEL) delete them ”in Sep 12, 2024 · This will open the Control Panel. In addition, the software supports all versions of Microsoft Outlook PST & OST files created by MS Outlook 2002, 2007, 2010, 2013, 2016, 2019, and 2021. Oct 1, 2025 · In Outlook 2010, 2013, and 2016, 2019, 2021, maximum default size limit is 50 GB. I get this error, "the message store has reached its maximum size. pst and the . 5 GB)): determines the maximum data that both the . ost has reached the maximum size. If user is still facing some problems, then use another solution. To fix the problem, you need to limit the mailbox size in GWSMO. pst) or . pst has reached its maximum size. (assuming OST) Depends on how the file got that big in the first place. To reduce the amount of data in this file, permanantly delete some items. After knowing this, let’s understand how to fix the Outlook data file has reached the maximum size error? Apr 16, 2025 · Learn how to change Outlook OST and PST file size limits — increase them via the registry or reduce the file size to avoid "Outlook data file has reached its maximum size" errors. ost data file has reached the maximum size. The video Registry path: Outlook 2016 / Outlook 2019 / Microsoft 365 HKEY_CURRENT_USER\Software\Microsoft\Office\16. Microsoft Outlook has an option using which users can store email files and folders as offline files. Tried to repair and re-install, but came to the conclusion the OST must be the issue. Apr 1, 2025 · Is your Outlook data file too large? Learn how to fix the "Outlook Data File Reached Maximum Size" error and reduce PST/OST file size to restore performance. ost files in Outlook 2007 and Outlook 2003. Since how long have you been using Microsoft Outlook client? H Mar 4, 2024 · However, the Outlook data file size will still remain large after deleting emails and to fix this, you need to compact the size of Outlook data file. I have repaired the data file and nothing. An explainer video on how to increase PST file size limit in Outlook is a valuable resource for anyone who has encountered issues with their mailbox reaching its maximum size limit. After applying them, you will be able to send or receive emails through Outlook. It contains all mailbox items like emails, contacts, calendars, etc. Then, right-click the OST file and choose Rename. Also we are using outlook 365 version. - Mailbox Storage Limit: Outlook accounts allow up to 100GB of storage per mailbox. To overcome this situation, Microsoft provides an inbuilt tool i. Aug 16, 2025 · The problem is with the PST file, which has grown more than Office or Outlook can handle. Jul 9, 2022 · As far as I know, in Outlook 2010, 2013, 2016, 2019 and Microsoft 365, the default limit of data file size is set to 50GB. This guide will walk you through the definitive solution: editing the Windows Registry to increase Outlook’s maximum data file size limit. Sep 27, 2019 · Issues addressed in this tutorial: outlook size change outlook size limit exceeded outlook size increase outlook size limit check outlook size limit increase mailbox size outlook 2016 outlook Jun 3, 2025 · Whenever the data storage files reach their maximum limit, users get the message "Outlook data file has reached the maximum size". Highlight the OST file you want to archive and click Open File Location. The Outlook data file C:\Users\USERNAME\AppData\Local\Microsoft\Outlook\EMAIL. To reduce the amount of data in this message store, select some items that you no longer need, and permanently (SHIFT + DEL) delete them. ost files can have. Dec 2, 2021 · Outlook file definitely got corrupted due to its large size, no user wants to lose its valuable data that saves in Outlook. 6. Jul 14, 2023 · When the . ost or . Sep 13, 2022 · Has your Default Outlook. When your Outlook. When these limits are exceeded, Outlook’s performance degrades, and the file becomes prone to corruption. To reduce the amount of data in this message store, select some items that you no longer need and permanatly (SHIFT + DEL) delete them" Jun 25, 2025 · Describes an issue that triggers a maximum size error message when a Microsoft 365 user tries to delete an item such as a calendar event in Outlook or Outlook on the Web. Jul 24, 2025 · Outlook Data File Reached Maximum Size Cannot Delete? here fix Outlook Data File Reached Maximum Size to reduce amount of data in this file. This will open the folder where the OST file is stored. Choose a location and filename for the Mar 15, 2025 · Are There Other Ways To Fix The “Message Store Has Reached Its Maximum Size” error? You can try these easy fixes to reduce the Outlook storage and resolve his issue. Open Outlook and click on File. Move old emails to an archive to reduce the space used in your mailbox. pst. Select the Outlook (. May 20, 2024 · Here we explain 6 solutions to help you fix OST file has reached maximum size Outlook 2021, 2019, 2016, 2013, and 2010 issues. There are options to use the registry to adjust the limit but it’ll only happen again and eat up storage. May 31, 2023 · PST file size exceeding the file size limit. In Outlook 2010, 2013, 2016, 2019, 2021, 2024 and Microsoft 365, this recommended limit has been set to 50GB. Discover how to make Outlook data files much larger The message store has reached its maximum size. Dec 5, 2018 · Potential Ways to Handle The Outlook Data File has Reached The Maximum Size OST Issue’ If Office 365, Exchange, or IMAP enabled account is configured in Outlook 2016, then definitely all the mailbox data stored in OST file format. Remove Large Attachments: Identify emails with large attachments and consider removing or saving these attachments to your local storage or cloud storage service. At times when Outlook PST file size reaches a limit then there might be chances that your Outlook profile might be corrupted. Office 365 Business The more email you send and receive, the larger your Outlook mailbox can grow. Compact the PST File Outlook allows you to reduce the size of your PST file by compacting it. If you receive a message that your mailbox is over its size limit, deleting messages and folders can help, but if you store your information in an Outlook Data File (. Note: Offline Outlook Data Files (. Oct 16, 2024 · In the blog, you will find a detailed step-by-step guide to fix the OST file has reached maximum size issue using the best possible approaches. Splits and compacts large PST files. Jul 5, 2025 · The Outlook OST file, as we know, is a synchronized replica of the user’s mailbox. pst file reaches its maximum size limit of 50GB, it can cause significant issues with your email storage and overall mailbox management. Outlook data files, such as Personal Storage Table (PST), store a copy of the mail items, including attachments, on your local system. How can I increase the limit for ost-files and make Outlook support larger mailboxes? I can't send or receive email in Outlook 365 without this message: "The Outlook data file C:\Users\Jim\AppData\Local\Microsoft\Outlook. Jun 3, 2025 · If you have faced the issue of Outlook data file reaching maximum size or wondering what to do when the Outlook has reached the maximum size. Error No 0xAD44060C or 0x8004060Cmore Microsoft Outlook has an option using which users can store email files and folders as offline files. Jul 29, 2025 · Learn how to increase Outlook PST file size limits and avoid annoying data errors. OST) data file linked with your email account. This limit for an Exchange mailbox stems from the Maximum send size setting that is configured in the Transport Settings Properties dialog box by the Exchange administrator (Refer the following screenshot). 2013, 2016 - Increase PST Size Outlook 2016. Nov 1, 2023 · Learn reasons for the ‘Outlook Data File Reached The Maximum Size’, its causes, and solutions to resolve the issue in Microsoft Outlook. Edit the file name with the . " I got this pop-up when trying to move an email into a folder on Thursday Mar 11, 2022 · In Outlook Office 365, the maximum size limit for . Due to this, users suffer from issues like OST has reached the maximum size Nov 15, 2021 · This guide contains detailed instructions on how to increase Outlook's size limit for PST file (message store limit) in Outlook 2003, 2007, 2010 or 2013. 8. pst has reached its maximum size error? Here are some proven methods to fix oversized Outlook PST file and send/receive emails again. com. "Cannot move the items. In the entire article, I will disclose all possible fixes. I've closed and re-opened outlook and it's still like that and I can't access Jun 21, 2018 · "The Outlook data file C:\Users has reached the maximum size. It serves a myriad of purposes for users, from personal email management to corporate communication solutions. Sep 30, 2015 · Note: The default size of OST or PST file is 20 GB in Outlook 2007 and 50 GB in Office 365, Outlook 2019, 2016, 2013 and 2010. ost file reaches it's storage limit you will get an error "Your mailbox has reached its maximum size limit at which you cannot send or receive any more content. Oct 11, 2022 · Hello, This problem just happened after windows10-->windows11 update. However, at the same time, PST files also have a certain limit, according to Jun 27, 2025 · Every Outlook data file has a maximum recommended size limit—typically 50GB for OST files in Outlook 2020 and newer. If you can't delete any items, you can add a value in the Registry to increase the maximum size. Exceeding the size limit may result in May 26, 2016 · I can't send or receive email in Outlook 365 without this message: "The Outlook data file C:\Users\Jim\AppData\Local\Microsoft\Outlook. Trusted by Millions → Fix: Outlook Data File Has Reached The Maximum Size Microsoft Outlook is a widely used email client that comes bundled with the Microsoft Office suite. Nov 1, 2024 · Outlook's maximum file size has been reached is one of the most frequent Outlook errors. After getting this message on the screen, it is obvious that the user will search for a way to get rid of it. Jan 18, 2024 · Fix Max File Size Outlook Errors which stops you sending and receiving emails with this quick tutorial where you can edit the default 50GB PST / OST file limit to 100GB. If you do not reduce the size of your mailbox, you will be unable to send email, and you’ll receive an email that says “ Outlook Data File Has Reached the Maximum Size” The email quota is usually set by the Microsoft Exchange administrator within your Nov 29, 2021 · Outlook. In Outlook 2003 and 2007, the limit is set to 20 GB for the Unicode OST. Apr 25, 2023 · To solve this error try to remove all the unwanted items from Outlook, delete the emails and attachments that are no longer required, compress the size of the data file, and make some space for the new emails to arrive. Apr 9, 2020 · Microsoft OST to PST Converter: Fast & Safe - Try it Free The conversion of Outlook Offline files to PST has been made easier with Cigati OST to PST Converter. Easy to close Outlook, delete the file, and opening Outlook again will build a new OST. Rename the OST file by adding _old to the end of the filename. " Cannot postpone the reminder. Technician's Assistant chat Customer: Second Opinion] My outlook 2021 PST file is too large and wont let me even delete any emails. It can also result in corrupt or inaccessible Outlook data files (. 1, 10, and 11 in both 32-bit and 64-bit Oct 12, 2024 · Running out of mailbox space? This guide shows how to check and increase Mailbox size limit in MS Outlook, new Outlook app and Outlook. ost file has reached max size error. You are receiving a mailbox size limit error message because of running Outlook on a Microsoft Exchange server, using an outdated OST file, or your Outlook has exceeded the default mailbox size. pst) and (. g. In the Outlook Options window, click on the "Advanced" tab. exe tool is no longer available starting in Outlook 2010. It can help you to move the corrupt and orphan OST files without causing any data loss. Step-by-step guide for all Outlook versions. If How to Increase PST File Size in Outlook 2007,2010. Then this article has answers to all of your questions. Apr 12, 2024 · Instructions to resolve the Outlook errors "Your Mailbox is full", or "Mailbox Size Limit Exceeded" in Outlook 2019, 2016, 2013 or 2010. The OST file has hit the default 50gb size, you’ll need to reduce the cache limit and delete the OST (quickest option) and you’ll be fine. Jan 21, 2025 · Hi @IniobongNkanga-8038 , it looks like your mailbox has reached its storage limit. pst) and offline Outlook Data File (. Due to this, users suffer from issues like OST has reached the maximum size Feb 6, 2024 · Can export the data to Microsoft 365. Jul 23, 2025 · Is your Outlook data file too large? Learn how to fix the maximum size error and optimize your email storage for better performance. Fix Outlook Error: "Message Store Has Reached Its Maximum Size" (Increase PST Limit in Office 365) Abstract wave pattern - Height Map | Footage | 1 hour 4k Background Jun 27, 2024 · Dear Team, The size of my outlook Ost is 50gb, I changed the registry to increase the size of the local Ost file, but the issue is not resolved, I am receiving mail on web portal, there is also 25gb free on cloud. The more email you send and receive, the larger your Outlook mailbox can grow. PST files can be increased to 100 GB with registry settings, however keeping the files within these limits ensures smooth performance. Oct 12, 2016 · How to Fix outlook error "The Message Store has reached maximum size " . Let’s explore the fixes. " Outlook accounts can have up to 100GB of storage per mailbox (Exchange Online mailbox storage limits). dwsdgz jmc ivnjn seyrf fjphrf xjukhe dfinpe dcihms dnzbmw qdswxq zls gbnao kcym rbkf kgi