Outlook Data File Cannot Be Accessed
If you face this error then you can’t send or receive emails and Outlook. This error is normally a result of a fully damaged Outlook profile. Also, when you transfer the Outlook PST file. You can fix this error by using below mention methods.
By Using Manual Methods:
1. By Profile Method
2. Configure New Outlook As Default
3. Repair Outlook Data File
By using the Professional method:
1. Outlook Email Recovery Tool
If you want to know how these methods are works then you can read the information blog to Outlook Data File Cannot Be Accessed.
https://www.techietruck.com/fix-outlook-data-file-cannot-be-accessed-error/
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Will Joe commented
Change The Mail Delivery Location
Another solution is to add a new data file and set Outlook to use it to store your emails. This will create a fresh data file for Outlook and will usually fix the “Outlook data file cannot be opened” error.Open the Start Menu and launch Outlook.
Click the File tab at the top of your screen.
Select Info from the options in the left sidebar. Then click Account Settings on the right-hand side pane and select Account Settings again.
By default, you’ll be in the Email tab. Switch to the Data Files tab and click the Add button to add a new data file.
Outlook will ask where you’d like to save the file. Choose a location, enter a name for the file, and click OK to save the file.
Outlook will still use your old data file to save your messages. Change that by setting your new data file as the default data file. Select your newly created file in the list and click Set as Default at the top.Hope this helps,
Will Joe