Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello, good day and thanks for your question. I understand that you have a Macbook that is running on macOS Monterey 12.7.6 and you are looking for the installer for Microsoft 365 on it.
Please the below link and look for version 16.88 or 16.89.1 which is the ones that is compatible for the macOS that is running on your device.
https://learn.microsoft.com/en-us/officeupdates/update-history-office-for-mac
https://www.brandwares.com/bestpractices/2023/03/most-recent-office-you-can-run-best-practices/