Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program. However most, if not all directly associated file extensions should be listed with its appropriate program. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. Outlook for Mac works with Microsoft Exchange, Microsoft 365, (including Hotmail and MSN), Gmail, Yahoo Mail, and iCloud Learn more about Microsoft 365 Microsoft 365 is a cloud-based subscription service that brings together premium versions of Word, Excel, PowerPoint, Outlook and OneDrive, with the best tools for the way people.
Note: You can click on any file extension link from the list below, to view its detailed information. Microsoft Outlook for Mac works with the following file extensions:
