


Press the button: Offline Folders File Settings….Disable the option: Use Cached Exchange Mode.Double click on the Exchange server account and click on the button: More Settings….Use the Mail applet in Control Panel to open your E-mail Account settings.C:\Users\%username%\AppData\Local\Microsoft\Outlook.The default location for the ost-file is Copy the ost-file to the location where you want it to go.Moving the ost-file to another location in Outlook 2007 and Outlook 2010 takes a bit of clicking but is still an easy process with the following step-by-step instructions. Move the ost-file for an Exchange account in Outlook 2007 and Outlook 2010 The ost-file should reside on an internal drive. This is unsupported and it would defeat the purpose of enabling Cached Exchange Mode. Note: Don’t place the ost-file on a network share. The guide mentioned above, also contains 2 other methods to move the ost-file’s location which don’t involve creating Symbolic Links but do require you to create a Registry key and recreate the account in Outlook. You’ll find step-by-step instructions in the guide: Moving the ost-file of an Exchange, or IMAP account. This may sound all very complex, but the actual process is quite easy and very effective. This differs from a shortcut as a shortcut is actually an lnk-file whereas a Symbolic Link will retain the original file name.

With a Symbolic Link, you’d be creating a “pseudo file” which is only a pointer to the actual file. Instead, the quickest way to go would be to create Symbolic Links instead. Moving the ost-file in Outlook 2013 and later is no longer possible via the interface in Outlook itself. Move the ost-file for Outlook 2013 / 2016 / 2019 / 365 Exchange and IMAP accounts While it is recommended to leave the ost-file in its default location, there are still valid reasons for moving it to another location like for instance when using a smaller Solid-state Drive (SSD) as your main disk.

Moving an ost-file to another location is indeed a bit more trickier than moving a pst-file. How can I move my ost-file to another location? I know how to move pst-files, but that method does not seem to apply to ost-files. I'm running out of disk space on my main drive and noticed that my ost-file was really big.
