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Issue with Microsoft Teams Add-on in Thunderbird when Using Multiple Exchange Accounts

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  • Last reply by crt26
  • Solved

Hi there, I'm experiencing an issue with the Microsoft Teams add-on in Thunderbird, specifically when using it with multiple Microsoft Exchange accounts.

Issue Description:

Previously, I was able to select between accounts using the Teams icon in the toolbar without any problems. However, after switching operating systems, the behavior has changed:

  • When I hover over the Teams icon in the toolbar, the account selection menu appears as expected.
  • As soon as I move the mouse to select an account from the menu, the menu disappears immediately before I can click anything.
  • I've made sure that the mouse doesn't leave the icon or jump erratically, but the menu still vanishes every time.

This only started happening after I changed my OS. On my previous setup, the add-on worked fine.

Fixes Attempted:

  • Removed and re-added the Exchange Accounts
  • Reinstalled the Owl for Exchange add-on
  • Fully uninstalled and reinstalled Thunderbird, including manually deleting the profile data folder
  • Disabled hardware acceleration

So far, nothing has resolved the issue, and I haven’t found any other reports of this specific behavior online.

The attached image shows the account selection menu when hovering over the teams add-on, but as soon as the mouse moves over to the menu it disappears.

System and Application Details:

  • Thunderbird Version: 139.0.1 (64-bit)
  • Operating System: Kubuntu 25.04
  • Desktop Environment: KDE Plasma 6.3.4
  • Display Manager: X11
  • Kernel Version: 6.14.0-15-generic (64-bit)

Any suggestions or workarounds would be greatly appreciated.

Hi there, I'm experiencing an issue with the Microsoft Teams add-on in Thunderbird, specifically when using it with multiple Microsoft Exchange accounts. '''Issue Description:''' Previously, I was able to select between accounts using the Teams icon in the toolbar without any problems. However, after switching operating systems, the behavior has changed: * When I hover over the Teams icon in the toolbar, the account selection menu appears as expected. * As soon as I move the mouse to select an account from the menu, the menu disappears immediately before I can click anything. * I've made sure that the mouse doesn't leave the icon or jump erratically, but the menu still vanishes every time. This only started happening after I changed my OS. On my previous setup, the add-on worked fine. '''Fixes Attempted:''' * Removed and re-added the Exchange Accounts * Reinstalled the Owl for Exchange add-on * Fully uninstalled and reinstalled Thunderbird, including manually deleting the profile data folder * Disabled hardware acceleration So far, nothing has resolved the issue, and I haven’t found any other reports of this specific behavior online. The attached image shows the account selection menu when hovering over the teams add-on, but as soon as the mouse moves over to the menu it disappears. '''System and Application Details:''' * Thunderbird Version: 139.0.1 (64-bit) * Operating System: Kubuntu 25.04 * Desktop Environment: KDE Plasma 6.3.4 * Display Manager: X11 * Kernel Version: 6.14.0-15-generic (64-bit) Any suggestions or workarounds would be greatly appreciated.
Attached screenshots

Chosen solution

Do you mean this addon https://addons.thunderbird.net/en-US/thunderbird/addon/microsoft-teams-quick-access/?src=search

The OWL addon is supported by it's developer. There is an email link on the download page https://addons.thunderbird.net/en-US/thunderbird/addon/owl-for-exchange/?src=search

I would guess you either need to contact the OWL folk for support with that applicatiohn or the folk that make the teams addon. hat appears to be here https://github.com/tdmrhn/Thunderbird-Quick-Access-Buttons/issues

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Chosen Solution

Do you mean this addon https://addons.thunderbird.net/en-US/thunderbird/addon/microsoft-teams-quick-access/?src=search

The OWL addon is supported by it's developer. There is an email link on the download page https://addons.thunderbird.net/en-US/thunderbird/addon/owl-for-exchange/?src=search

I would guess you either need to contact the OWL folk for support with that applicatiohn or the folk that make the teams addon. hat appears to be here https://github.com/tdmrhn/Thunderbird-Quick-Access-Buttons/issues

Hi Matt, thanks for looking at the issue and your help with this. Yeah it is just the teams access that is added with the OWL addon rather than the other Teams access add-on you mentioned.

I'll reach out to the OWL support team as you suggested and will post any solution I receive here, in case it helps anyone else experiencing the same issue.