1. Excel now-a-days is mostly just an electron app. That's what the office 365 conversion was effectively.
2. MS has supported ARM platforms for quite some time now. [1]
[1] https://www.windowscentral.com/office-windows-11-arm-starts-...
[2] http://www.emulators.com/docs/abc_arm64ec_explained.htm
1. Excel now-a-days is mostly just an electron app. That's what the office 365 conversion was effectively.
2. MS has supported ARM platforms for quite some time now. [1]
[1] https://www.windowscentral.com/office-windows-11-arm-starts-...
[2] http://www.emulators.com/docs/abc_arm64ec_explained.htm