Thunderbird 145 has been launched with full native help for Microsoft Change e mail through the Change Internet Providers (EWS) protocol.
Which means Thunderbird customers in Microsoft Change environments (e.g., Microsoft 365, Workplace 365) now not want third-party add-ons and profit from seamless message synchronization and folder administration regionally and on the server.
Migrating from Outlook to Thunderbird can be simpler, as Mozilla’s e mail consumer robotically detects the settings and makes use of Microsoft’s OAuth2 authorization protocol.
“Till now, Thunderbird customers in Change-hosted environments usually relied on IMAP/POP protocols or third-party extensions,” reads Thunderbird’s announcement.
“With full native Change help for e mail, Thunderbird now works extra seamlessly in Change environments, together with full folder listings, message synchronization, folder administration each regionally and on the server, attachment dealing with, and extra.”
Thunderbird is a free, open-source e mail utility developed by Mozilla, and Microsoft Change is an e mail and collaboration server broadly utilized by companies to deal with communications, calendars, and contacts.
Sometimes, organizations both use Outlook as the e-mail consumer app to connect with an Change server or the Microsoft 365 cloud service. Nevertheless, any app with EWS help, now together with Thunderbird, can hook up with it.
To maneuver from Outlook to Thunderbird, customers have so as to add the account in model 145 or later of the e-mail consumer, head to Account Hub > Change/Change Internet Providers, and let the applying information them via the remainder of the method.

Supply: Mozilla
Presently, the next options are supported:
- Change e mail setup and folder entry
- Viewing, sending, replying/forwarding, shifting/copying/deleting messages
- Attachments (save, show, detach/delete)
- Search (topic, physique) and fast filtering
- Microsoft 365 domains utilizing commonplace OAuth2
- On-premise Change with fundamental password authentication
The Thunderbird growth staff additionally plans so as to add help for Calendar syncing, Deal with ebook/contacts, Filter actions requiring full-message content material, Microsoft 365 domains requiring customized OAuth2 app/tenant IDs, On-premise NTLM and OAuth2 authentication, and Microsoft Graph integration.
No particular timelines have been offered for when these will land on Thunderbird, and implementation instances could fluctuate per merchandise.
Mozilla notes that EWS continues to be broadly used, and Microsoft has promised to proceed supporting it “for the foreseeable future,” even because the tech large is transitioning to the Microsoft Graph interface as the principle technique to connect with Microsoft 365 providers.
Whereas help for the Microsoft Graph API is within the plans, the Thunderbird staff considers EWS a precedence proper now to fulfill the wants of a bigger consumer base.
Extra details about Thunderbird’s Change help is offered on this wiki web page, whereas the help portal offers directions for account porting.


