7 July 2025, 06:15 PM
Multiple reasons can cause the Thunderbird stop downloading messages error. Thus, some of the most common ones are:
Note: Apart from these, several other factors could also cause Thunderbird to stop downloading new messages. Therefore, to resolve this error safely, experts always recommend creating a backup of your Thunderbird data first and then trying conventional solutions.
Manual Solutions to Fix Thunderbird Not Downloading Messages Error
Limitations of the Manual Way:
What Professionals Suggest?
The manual methods have many limitations, which is why experts strongly recommend backing up your Thunderbird data first to minimize any chance of losing important emails. The MacUncle Thunderbird Converter is considered one of the best tools for this purpose. It’s simple to use and allows users to export Thunderbird files to 15+ different formats or email clients without any data loss. Moreover, it keeps attachments and email attributes intact, ensuring complete data accuracy and peace of mind every time.
- Weak or unstable internet connection, which disrupts the smooth flow of message downloading.
- Corruption or damage in the Thunderbird profile folder, leading to sync failures.
- Using an outdated or incorrect password that blocks server authentication.
- Errors in two-factor authentication (2FA) configuration, preventing Thunderbird from connecting.
- Issues in the server’s functioning, like downtime or mailbox size limits.
Note: Apart from these, several other factors could also cause Thunderbird to stop downloading new messages. Therefore, to resolve this error safely, experts always recommend creating a backup of your Thunderbird data first and then trying conventional solutions.
Manual Solutions to Fix Thunderbird Not Downloading Messages Error
- Repair the corrupt Thunderbird folders to fix folder-level issues.
- Update Thunderbird to the latest version for better compatibility and bug fixes.
- Check and fix IMAP and POP3 configuration settings to ensure proper syncing.
- Reset the saved passwords in Thunderbird to remove outdated credentials.
Limitations of the Manual Way:
- It is very complex, especially for non-technical users.
- These methods are not always reliable or permanent.
- The user must test each solution one by one.
- The risk of accidental data loss remains high.
- Consumes a lot of user time, effort, and resources.
What Professionals Suggest?
The manual methods have many limitations, which is why experts strongly recommend backing up your Thunderbird data first to minimize any chance of losing important emails. The MacUncle Thunderbird Converter is considered one of the best tools for this purpose. It’s simple to use and allows users to export Thunderbird files to 15+ different formats or email clients without any data loss. Moreover, it keeps attachments and email attributes intact, ensuring complete data accuracy and peace of mind every time.