There can be different possible reasons which obstructs user work and led to Thunderbird import not working error. Some prominent reasons are:
- Importing corrupted and unsupportable files in Thunderbird.
- Using outdated Thunderbird edition.
- Enabling of third-party plugin or software.
The right way to fix it professionally is by using the BitRecover Thunderbird Import tool. But, apart from that user can also try the indirect ways such as:
- Running Thunderbird in safe mode.
- Deleting and making storage space.
- Recreating Thunderbird MSF file.
