Have you encountered an error in your Exchange OST file due to synchronization failure of offline data with the Server?
?Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file xxxx.ost. Quit all mail-enabled applications."
Such causes might be resulted as OST file corruption because of which error messages come across to Outlook users when they try to connect OST files to Exchange Server.
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Non-confidential corrupt OST files can be conveniently recovered into PST, EML, or MSG file format with usage of reliable remote access installation services of our organization. With these services, Outlook users can also save their money and time.