There Is Not Enough Disk Space To !full! Download New Messages Thunderbird Instant

Wait for the process to complete (check the status bar at the bottom).

Repeat this for every email account linked to your Thunderbird profile. Compact Your Folders (The Most Important Step) Wait for the process to complete (check the

Like a web browser, Thunderbird stores temporary data that can become corrupted or excessively large. Click the button next to "Your web content

Click the button next to "Your web content cache is currently using..." Delete the "Global Message Database" Thunderbird does not fully "delete" messages until the

If Thunderbird still thinks it is out of space, the index file (Global Database) might be corrupted. Deleting it forces Thunderbird to rebuild it, which often clears phantom errors. Go to > Troubleshooting Information .

Thunderbird does not fully "delete" messages until the folders are emptied. If your Trash or Junk folders are bloated, they can trigger storage warnings. Right-click the folder and select Empty Trash . Right-click the Junk folder and select Empty Junk .