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I have backed up the data regularly before, but in the new Windows 11 pc, I cannot find the data.

It used to be "C:\Users\Jim\AppData\Roaming\Thunderbird\Profiles\itfho9h2.default" on the old Windows PC which went bonkers. Now should be "C:\Users\Jim\AppData\Roaming\Thunderbird\Profiles\i3ls19ra.default-esr", but when looking in the "C:\Users\Jim\AppData\Roaming\" folder, Thunderbird folder is not there with the others. But that is where Thunderbird data is supposed to be according to Account Settings, Message Storage, Local Directory.

So, how do I find where the data is so that I can back it up?

Thanks.

Currently I have the language setting, set to English. Despite this, the spellchecker is "American" instead of English. How can I get English as my spellchecking language?

I use an iMac and Macbook Pro. Autofill that used to work is no longer working on both of these when I go to USPS.com and sign up for updates on packages. It use to fill in my name on the top line and on the bottom line, it would fill in my email.

What can I do to get this feature back? It stopped working around the beginning of 2025.

Thank you, Martha.

Settings -> Appearance:

• Grouped by Sort
• Default Sort by: Date

When I press Apply these settings to: All existing folders I get Sort by: Unthreaded in all folders.

Windows 10; Thunderbird 138.0.1

Hello,

I am a super happy user of Thunderbird calendar since many years.

Now that my kids have a lot of activities I am facing an annoying display issue with the upper part of the calendar in the Week view showing all days event : it is too small to show all events at once and hence proposes a scrollbar to navigate inside it (the attached image shows it for Tuesday May 13)

To solve that, I would be super happy just to select the "horizontal line" separating the all day events pane from the one below and then drag it to increase the height of the all day events pane. Unfortunately this is not possible.

So my question is : how can I increase the height of all day events pane so that I can see all my all days events at once ?

Thank you very much for your help,

Hello, in my Profiles folder in AppData/Roaming/Thunderbird I have 3 distinct profiles. One is current but the other 2 have a Date Modified of 30/12/2021. Can I safely delete these 2? I know the names are not relevant but the suffixes are .default-release and .default. Thanks Chris

Need to have my selected bookmarks in sidebar at all times...since update have to do it every time i open...want it to be permanent without constantly having to do it via selecting view etc

There is no way I can make my FF into a default browser and showing some old exe files from old FF's leaves me with no comprehension to do anything. I follow the three steps properly ending with the FF icon in the browser box. That does nothing - unless I need to acknowledge its done, but where do I do that?