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 ...

Offline Storage Table (OST) file is the local cache that Outlook creates when you add or sign in using an IMAP, Microsoft 365, Exchange, or Outlook.com email account. It is a database format used by ...

Outlook is an email and calendar software available as a part of the Microsoft Office suite. It allows you to send and receive email messages and track your task. It uses an OST file which is the ...