Welcome!
That is a Microsoft product so I doubt you wil find much help here. MS Office questions posted in Apple’s forums tend to linger a long time before getting any kind of helpful response.
MS support pages are so Windows-centric that they are almost useless for Mac users. However their user forums like these are quite good. The only MS forum help most Mac people need is how to limit the topics to Macs. Start here:
Results in Office - Microsoft Community.
That will display this page header:
1) If needed, use the “Office Topic” pull-down to select your Office app.
2) Limit answers to Mac topics with the “Office Sub-topic” pull-down.
3) If needed, use the “Show Filters” option to further narrow the results.
Everyone there is both an Office user and a Mac user, something you can't say about Apple's forums. I believe you will find the contributors there knowledgeable and very helpful.