how do I upgrade MacBook from OS 10.12.6 to a version like 10.15 that supports editing Excel spreadsheet
how do I upgrade MacBook from OS 10.12.6 to a version like 10.15 that supports editing Excel spreadsheet
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how do I upgrade MacBook from OS 10.12.6 to a version like 10.15 that supports editing Excel spreadsheet
What macOS you can update to will be dependent on the model / year of Mac you have. Look in the Apple Menu->About this Mac to get the specific model / year of your Mac.
Then you can see what macOS version you can install: link-> How to get old versions of macOS - Apple Support
If you have a more recent Mac that supports it you can follow the steps here to install macOS 12 Monterey: link-> How to upgrade to macOS Monterey - Apple Support
What macOS you can update to will be dependent on the model / year of Mac you have. Look in the Apple Menu->About this Mac to get the specific model / year of your Mac.
Then you can see what macOS version you can install: link-> How to get old versions of macOS - Apple Support
If you have a more recent Mac that supports it you can follow the steps here to install macOS 12 Monterey: link-> How to upgrade to macOS Monterey - Apple Support
Or...
Look into the Free LibreOffice, it handles MS Office files like Word & Excel, & Page Layout…
how do I upgrade MacBook from OS 10.12.6 to a version like 10.15 that supports editing Excel spreadsheet