If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...
Microsoft Office Outlook maintains everything in a data file, also called PST or OST file. It is an offline copy of mailbox data stored on a local PC. In case of issues, you must delete the data file ...
When you’re working on your computer, Windows creates temporary files for temporary use. These files are generated for backup ...