up grade needed is my question
can i run microsoft 365 with Big sir 11.7.11?
MacBook Pro 15″, macOS 11.7
no
"One of the three most recent versions of macOS. When a new major version of macOS is released, the macOS and the previous two versions."
System requirements for Microsoft 365 for home use | Microsoft Support
the 3 last versions of macos that they support are
- macOS 27 Golden Gate
- macOS Tahoe 26
- macOS Sequoia 15
big sur is 7. newest