Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
This thread was archived. Please ask a new question if you need help.
Solved Archived

Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox.

Thunderbird Troubleshooting
Matt replied
dogleg
dogleg

this error message suddenly appeared, locking up my Thunderbird Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox.

this error message suddenly appeared, locking up my Thunderbird Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox.

All Replies (1)

Matt
Matt
  • Top 25 Contributor

Chosen Solution

Do you see it still after you restart your computer?