If Outlook shared calendar disappeared after restart, there must be some issue with the REST-based synchronization. Check ...

Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST files contain data downloaded off your Exchange ...

In coming spam message for some tool to "fix" it I think.. BUT, jic: You can just delete OST files they are caches and are re-built. Also check there actaully is a valid data file in File -> Info -> ...

When you're unable to view or add attachments in Microsoft Outlook, manually deleting the Outlook temporary files may help. Outlook creates these files whenever you view or add an attachment. While it ...

Be it MS Outlook 2010 or any other version of MS Outlook, there is no major difference in method of transferring files from OST file. If you have an OST file and you want to transfer its data into MS ...