

Refers to the ANSI formatted OST file size limit to a maximum of 2 GB (Outlook 2000) This lets you set the Unicode formatted OST file size limit to a maximum of 50 GB for Outlook 2010 and later or 20 GB for Outlook 20 There are four registry entries that you can edit and set the maximum size to which OST can grow, If you don’t want to delete older emails or remove attachments from emails, there’s an alternative way, where you can use the registry to reconfigure the OST file size limits by changing the registry key’s entries and values. Method 3: Use Registry Key to Configure OST File Size Limit You can also Find items larger than, Empty Deleted Items folder, View Deleted Items Size, View Conflicts Size, or Empty Conflicts to reduce the OST file sizeįurther, you can look for large emails, download all the attachments, and then remove the attachments from emails to reduce the OST file size.Enter the number of days to find the older emails and delete them to reduce the size of the OST file and mailbox on the server.Click File > Account Settings >Account Settings.Delete any items that you do not want to keep and empty the Deleted Items folder.PST files, which compresses the OST or PST file and reduces the file size. Method 1: Compact OST File to Reduce Size Thus, we have shared a few methods that will help you reduce the size of the OST file and resolve this issue.

However, the OST error will soon appear as it reaches the new threshold limit.īut if you control the OST file size, there won’t be a need to increase the mailbox size limit. Once the mailbox size is increased, it should probably fix the error. One way to resolve the error is to ask the Exchange admin to increase the mailbox size limit.
REGISTER OUTLOOK FOR MAC HOW TO
How to Resolve OST Has Reached the Maximum Size Error? Similarly, you stop receiving any new mails and face several other issues until you resolve the error. In such cases, the changes you make are not saved or emails you send are not sent. The error may also appear when the OST file size reaches the configured mailbox size limit on the Exchange server. When the size of OST increases and reaches its threshold or file size limit configured on the system, the error OST file has reached the maximum size may appear. The file is stored on the system locally and syncs the changes made to Outlook with the user mailbox on the server.
REGISTER OUTLOOK FOR MAC OFFLINE
OST or Offline Storage Table is a replica of the user mailbox on the Exchange server. In this guide, we have shared a few fixes and solutions that can help you resolve the OST file size issue in Windows Outlook. 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.
