How to Import Exchange OST file into Outlook?


New Member
Outlook version
Outlook 2010 64 bit
Email Account (as MS Exchange)
Hi friends, I am using Outlook 2010 and someday ago update MS Outlook 2016. and I restore OST file in the New Outlook platform but give a message "The file you chose is not an Outlook Data file. " please suggest to me "how to open this file?"



New Member
Outlook version
Outlook 2016 64 bit
Email Account
Office 365 Exchange
Sign on to the computer on which the OST file was created. Disconnect from your network, and then open or restart Microsoft Outlook. Select "File," click "Open & Export," and then click "Import/Export" to run the "Import and Export" wizard. Click "Export to a File," choose "Next," select "Outlook Data File.