Outlook: The new Outlook for Windows - Offline support for mail actions and compose
The first set of offline capabilities in the new Outlook for Windows. Mail, calendar events, and contacts will be stored on your device, so you can view them even when you're not connected to the internet. Additionally, you can perform key actions on your mail, including flag, move, and delete, and compose messages, to stay productive even when you're not connected to the internet.
Expected Release Date:
March CY2024
Link to Microsoft release information