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Thunderbird Portable

Portable Thunderbird No More Portable Than Mainstream Thunderbird?

Submitted by dr.duane.thresher on October 8, 2020 - 5:27pm

Before I heard of Portable Thunderbird I tried -- successfully but not enough for me -- to do this myself using mainstream Thunderbird and just inputting the removable drive as the installation directory.

This was a Windows 10 Dell laptop that had had the previous installation of Thunderbird on its C: drive deleted, including ALL Mozilla/Thunderbird directories. The removable drive (D:) was an SDHC.

The new Thunderbird was 78.2.2 and the custom install settings were:

Install Location D:\Mozilla Thunderbird\
Install Maintenance Service

Why is ThunderbirdPortable using non-portable locations?

Submitted by renaldafeen on October 1, 2020 - 8:30pm

I have standard Thunderbird installed in the standard location on my C: drive.
I just created a fresh install of Thunderbird Portable on a thumb drive using the PortableApps app.
Before creating ANY account or profile information, I navigate to /// -> Help -> Troubleshooting Information.
I see that the Update Folder parameter is pointing to a directory in C:\ProgramData\Mozilla\updates; this is NOT portable.

Thunderbird portable doesnt show foders on WINDOWS PC after using on LINUX PC

Submitted by ik8wtd on September 25, 2020 - 12:39pm

Dear all,

please sorry this is the second time i post this help request just because the previouse one i deleted for my mistake.

I have Thunderbird portable on a USB Key and I used it on my linux computer ( thank to wine software layer ). I had no problem to check mail, to see all my folders on ther left folder pane, etc.

When I came back to use the USB Key on my Windows computer I discovered that all folders was disappeared.

ThunderbirdPortable.exe not recognized as default Email client.

international's picture
Submitted by international on September 22, 2020 - 12:18pm

Greets. As always, thanks for the awesome work you do here.

I have the Thunderbird Portable 32bit version. Ever since the most recent update of Thunderbird (78.2.2) I can no longer get Windows to see it as the default for opening mailto links. It defaults to:

\PortableApps\ThunderbirdPortable\App\Thunderbird64 and in so doing asks me to create a new account.

ThunderbirdPortable 68.12.0 two versions?

Submitted by codeprezzer on September 20, 2020 - 5:51am

Hi Guys,

what's the difference between these two packages:


as have already earlier applied the ThunderbirdPortable_68.12.0_English.paf.exe,
do we need to "reinstall" (same version) with the ThunderbirdPortableLegacy68_68.12.0_English.paf.exe ?


The button to send the message doesn't appear anymore and I can not send messages.

Submitted by Fanduweb on September 17, 2020 - 7:47pm


Since the last update of Thunderbird Portable of September 14th I can not click on the Send button as you can see on this screenshot:

Do you know how I can fix this ?

Thanks for your answer and your help.


TB 78.2.2 Folder pane enabled but no folders showing (Please help)

Submitted by reyaan on September 14, 2020 - 6:52am

Hi all,

My TB portable auto updated from 78.2.1. to 78.2.2 and after restarting my TB, the folder pane on the side has no folders displaying (folder pane toolbar is enabled, Folders > All - selected, Closing TB and opening it shows "all" unselected again (with nothing else selected)