How can I uninstall Catalina and return to High Sierra? Nothing's is working for me with my apps.
How can I uninstall Catalina and return to High Sierra? Nothing's is working for me with my apps.
iMac 21.5", macOS 10.15
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Do you have a Time Machine backup to Restore to/from?
https://support.apple.com/guide/mac-help/revert-to-a-previous-macos-version-mh15216/mac
If not…
https://www.imore.com/how-downgrade-macos
Look into the Free LibreOffice, it handles MS Office files…