Backup Thunderbird is a free Thunderbird backup utility for Windows. It enables you to quickly backup and restore all of your Mozilla Thunderbird E-Mail Messages, Newsgroups, RSS Feeds, Address Books, E-Mail Accounts and all other options.
Publisher’s description
What is Backup Thunderbird?
Backup Thunderbird by SoftSea is free Windows software in the email clients category.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 32-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Pros / Cons
Pros
- Free to use
- Documented silent install
Cons
- No native ARM64 build
- 32-bit only
- Installation needs administrator rights
- No update for more than a year
In short: Backup Thunderbird is a free email client tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is Backup Thunderbird safe to download?
- The file is served by file1.softsea.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
0A1EB4D95BAFADB93DEBD5F96CBCF9534653768379A8A1DD93B33D4ED06225CC· Open the VirusTotal report for this hash - The link has not been checked yet
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.0Latest | July 19, 2013 | — | 32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id SoftSea.BackupThunderbird -eget.php /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- SoftSea
- Category
- Email clients
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.0
- Released
- July 19, 2013
- Added to the catalogue
- January 27, 2026
- Versions listed
- 1
- Website
- softsea.com
- winget ID
- SoftSea.BackupThunderbird
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Backup Thunderbird free?
Yes. Backup Thunderbird is free to use.
Is Backup Thunderbird safe to download?
The download comes from file1.softsea.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Backup Thunderbird with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Backup Thunderbird be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Backup Thunderbird run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
What are alternatives to Backup Thunderbird?
Tuta Mail, Mailspring, Proton Mail Bridge, eM Client and MFCMapi. The alternatives page compares them.
