For what it's worth, it's the same with Windows versions of Word: documentation, especially in the form of help files, is rather poor.

However, there are other resources, such as the Word MVP site at http://word.mvps.org or the TechNet site at http://technet.microsoft.com/en-us/.

__________________
Stefan Blom
Microsoft Word MVP

Microsoft 365 apps for business
Windows 11 Professional