![Getting "The folder Inbox is full, and can't hold any more messages. To make room for more messages, delete any old or unwanted mail and compact the folder." | Thunderbird Support Forum Getting "The folder Inbox is full, and can't hold any more messages. To make room for more messages, delete any old or unwanted mail and compact the folder." | Thunderbird Support Forum](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2016-12-22-07-42-38-b9feec.png)
Getting "The folder Inbox is full, and can't hold any more messages. To make room for more messages, delete any old or unwanted mail and compact the folder." | Thunderbird Support Forum
![No progress bar or indication that Thunderbird is compacting, cannot fully compact. | Thunderbird Support Forum | Mozilla Support No progress bar or indication that Thunderbird is compacting, cannot fully compact. | Thunderbird Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2018-07-18-05-49-42-249f96.png)
No progress bar or indication that Thunderbird is compacting, cannot fully compact. | Thunderbird Support Forum | Mozilla Support
![Why does Thunderbird not allow me to compact the Sent Folder? | Thunderbird Support Forum | Mozilla Support Why does Thunderbird not allow me to compact the Sent Folder? | Thunderbird Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2019-12-18-04-31-41-e486aa.png)