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 ...
If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...
This post features solutions to fix this data file is associated with a mail account OST file error on Outlook. This error can occur when a user fails to delete an ...
Go into the mail profile and tell it not to use Offline Mail Folders. That's what the OST file is.
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