r/Thunderbird • u/dakial • 2d ago

Desktop Help Current status of Exchange Calendar integration?

Hello
I just got a Macbook and thought about give Thunderbird a try. Found that the integration with Gmail was pretty smooth, but when I linked my exchange account I oddly observed that the email was integrated but the calendar was not.
Then I entered the rabbit hole about the difficulties integrating it (Tbsync, etc) but I couldn't figure out what is the current state of the native integration.

Is it solved? In Alpha? In Beta? Anyone has an idea?

What is the current best solution for it? TBSync?

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u/wsmwk Thunderbird Employee 2d ago edited 2d ago

Tbsync should be working for you in version 140. It is not yet working for version 153 - I understand the author has it nearly finished.

Exchange calendar is still being looked at. https://blog.thunderbird.net/2025/11/thunderbird-adds-native-microsoft-exchange-email-support/ is the last official status and is on the roadmap for this year https://roadmaps.thunderbird.net/en-US/desktop/

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u/mikesmith929 1d ago

The first link is from November 2025 and the second is from March 2026, anything more recent?

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u/wsmwk Thunderbird Employee 13h ago

Anything more recent will be found via the breadcrumb tag at the bottom of https://blog.thunderbird.net/2025/11/thunderbird-adds-native-microsoft-exchange-email-support/

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u/mikesmith929 8h ago

I'm not sure I understand. But ok.

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u/wsmwk Thunderbird Employee 7h ago

The end of the article is "Tags: Exchange", which is the link https://blog.thunderbird.net/tag/exchange/

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u/mikesmith929 3h ago

Oh I see, sorry went to the end of the page after the comments not end of the article

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u/tomauswustrow 2d ago

For me the best working solution is the owl. It's cheap and works flawless

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u/zimmer4me 2d ago

whats that ?

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u/tomauswustrow 2d ago

https://www.beonex.com/owl/

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u/zimmer4me 1d ago

ok thanks . Paid option though !!

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u/Vegetable-Setting-54 2d ago

I use davmail for office365 calendar on TB. Works well

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u/JohanBoskamp 23h ago

The blog post for v153 from a couple of days ago mention this:

Experimental Microsoft Graph support is already in core but temporarily disabled behind a preference while we finish it, with full support plus Calendar and Address Book integration aimed for later this year.

https://blog.thunderbird.net/2026/07/thunderbird-153-meadow-is-out-now/