System Optimization and PC Performance
Archive file was created in Outlook. Size about 1.6 GB. I cannot open on another computer. The message that the file is not a .pst file. Although the extension is right.
Possible help https://support.office.com/en-US/art...6-ef0a6e3567cd Nor possiblities https://www.google.com/#q=pst+file+will+not+open
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