The recommended size is at 95% of the MaxLargeFileSize value.
For example, if you want to raise the size limit of PST file to 100 GB, just enter 102400 and click OK. In the “Edit DWORD Value” pop-up, select Decimal and then specify the PST size limit in MB.Name the new DWORD entry as MaxLargeFileSize, and then double-click it to modify.Next, right-click the blank space in the right pane and choose New > DWORD (32-bit) Value.Note: Replace xxx with your Outlook version number. HKEY_CURRENT_USER\Software\Microsoft\Office\xxx\Outlook\PST If the PST key doesn’t exist, you have to create it manually. When you see the Registry Editor window, browse to the following key.Press the Windows key + R to open the Run command.
Outlook attachment size limit change how to#
How to Change the Size Limit for Outlook PST Files? If your PST file gets oversized, you can follow this tutorial to increase the PST size limit in Outlook 2016 / 2013 / 2010 / 2007 / 2003. Since Outlook 2010, the size has been raised to 50 GB.
In Outlook 20 the maximum size of Unicode PST files are 20 GB. To reduce the amount of data in this file, select some items that you no longer need, and then permanently delete them by pressing SHIFT+DELETE.” “The Outlook data file has reached its maximum size. Whenever a PST file reaches its maximum size limit, Outlook will slow down or you’ll get the following error message: As time goes by and your PST file grows larger and larger. All versions of Microsoft Outlook use a single PST file to store emails, contacts, calendar and other data.