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Default HTML Viewer in Thunderbird - Can Not Change After Latest Update

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  • Last reply by TQinOH

TQinOH
TQinOH
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The default HTML viewer in Thunderbird 115.7.0 (as of 24 Jan 2024) changed from Microsoft Edge to Mozilla FireFox 122.0 after an earlier Thunderbird update several days ago.

I went to Tools | Settings | General | Files & Attachments to change the HTML Content Type "Action" back to Microsoft Edge. There was no change to the setting. I then selected "Delete Action" to remove the HTML entry from the list. However, I can't add the HTML entry back into the list.

How do I add "HTML" back to the "Content Type" list and then select the HTML viewer that I want?

The default HTML viewer in Thunderbird 115.7.0 (as of 24 Jan 2024) changed from Microsoft Edge to Mozilla FireFox 122.0 after an earlier Thunderbird update several days ago. I went to Tools | Settings | General | Files & Attachments to change the HTML Content Type "Action" back to Microsoft Edge. There was no change to the setting. I then selected "Delete Action" to remove the HTML entry from the list. However, I can't add the HTML entry back into the list. How do I add "HTML" back to the "Content Type" list and then select the HTML viewer that I want?

Chosen solution

https://support.mozilla.org/en-US/kb/hyperlinks-in-messages-not-working#w_problems-with-received-or-saved-mails

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All Replies (2)

christ1
christ1
  • Top 25 Contributor
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Seçilmiş Həll

https://support.mozilla.org/en-US/kb/hyperlinks-in-messages-not-working#w_problems-with-received-or-saved-mails

TQinOH
TQinOH Question owner
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The Microsoft Edge browser default setting was changed by an unidentified process. Setting the default back solved the issue. Thank you.