Is Thunderbird really crashing when you try to delete mail, or is it not responding?

All Mail won't delete at all.

What exactly does this mean?

Are you talking about Gmail? If so, do you have any clue what 'All Mail' is, and why it's a bad idea to delete something from 'All Mail'?

I was also unable to open and read any of your responses to previous questions that appear to be similar.

This is a web forum. You can read replies here directly, there is no need for email to read replies.

Thunderbird is 'not responding', in answer to your question. ALL MAIL is a folder under my email address, not something I created, and it seems to contain every email received and sent, including spam, which is why I'd like to delete the contents. It seems to allow me to do so but they all reappear. I am also unable to delete the file itself.

1. You do not want to delete messages in "All Mail" of the gmail account - you risk losing all your mail 2. You can *unsubscirbe* the "All Mail" folder 3. You would be wise to read https://support.mozilla.org/en-US/kb/thunderbird-and-gmail 4. "Not Responding" is a symptom of antivirus software causing performance problems, for example McAfee. see https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues#McAfee

Thank you, Wayne, I shall do as you suggest as soon as I am able, and I hope that will solve my problem.

There are many things I really like about Thunderbird and I want to be able to continue to use it.

Cheers, Rivendell.