GitHub - thunderbird/import-export-tools-ng: Import Export Tools that supports Thunderbird 68/78/91/102
GitHub - alpianon/import-export-tools-ng-modpec: mod of ImportExportTools NG addon for Thunderbird, with PEC backup functionalities
![how do I run the import/export messages add-on ver NG 4.04 ? | Thunderbird Support Forum | Mozilla Support how do I run the import/export messages add-on ver NG 4.04 ? | Thunderbird Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2020-03-12-12-29-56-e0a70f.png)
how do I run the import/export messages add-on ver NG 4.04 ? | Thunderbird Support Forum | Mozilla Support
![how do I run the import/export messages add-on ver NG 4.04 ? | Thunderbird Support Forum | Mozilla Support how do I run the import/export messages add-on ver NG 4.04 ? | Thunderbird Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2020-03-12-12-29-52-2fa67f.png)