Office 2021 for Mac supports both Apple Silicon and Intel-based Macs and requires at least 4GB of RAM and 10GB of storage space. It supports the last 3 versions of macOS.  Create, Edit, and Style DOCUMENTS, SPREADSHEETS& PRESENTATIONS– all the features that you need to get work done. Compatibility with all popular file formats– OPEN, EDIT& CREATE new and existing documents, spreadsheets, and presentations. Included PDF functions– Fill& Sign Forms, Annotate, Password Protect, and use Digital signatures. Mail& Calendar Included– Manage multiple Email accounts and Calendars.