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if you continue to see this mssg, select 'create new data file to make a backup copy of your existing outlook file'
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Hello JoeFromSd
#1 - Can you provide a screenshot of the exact message you're encountering since the message on its own doesn't make any sense. Specifically, if you can't access your data would be pointless to try and make a backup and simply creating a new data file doesn't "make a backup copy of your existing outlook file".
#2 - In terms of the "type" of email account involved - you can confirm that by opening the Control Panel <Mail> app --> click on Email Accounts (type of account is in the right hand column)
#3 - Switch to the Data Files tab in Account Settings (the window open from #2) - how many data files are listed? If more then one, which one is set as the "default data file"? Take note of the folder path/file name of each .pst file in the list.
#4 - Very seldom does repairing Office have any impact on a problem that involves a data file. For each PST file, first step would be to run the ScanPST program on each PST file. To may need to run ScanPST on each file multiple times depending on how corrupted the file may be.
How to repair your Outlook personal folder file (.pst)
https://support.microsoft.com/en-ca/help/272227...