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New member
Status: New idea


TB keeps crashing on my win 10 machine (I can't really pinpoint the cause so I just live with it). However, what I can't live with is TB closing all my open e-mails. I keep open e-mails to remind me what people I need to get back to. When TB crashes it closes all of the e-mails and I need to look for the drafts in the drafts folders (I have many) if I had 10-15 e-mails open that can be a tedious job.

Firefox and Chrome both have the option to reopen tabs after a crash - can you please add this and open e-mails - this will save so much time.


Status changed to: New idea
Community Manager
Community Manager

Thanks for submitting an idea to the Mozilla Connect community! Your idea is now open to votes (aka kudos) and comments.

Familiar face

Thunderbird does not make a backup copy of the tabs,  so if they are corrupted or deleted by whatever is causing the crash then it is unable to open them. Firefox does do this and it is probably a good idea.   I would think however that identifying what is causing the crash would be a more productive endeavour right now.

Perhaps file a support request for the crash you are experiencing if you have not already done so.

When making your request it is generally a good idea to post the crash ID's as discussed here


New member

Hi Matt,

Sorry for the super delayed answer - I somehow completely missed the answer (it was 3 days after I posted so I guess I assumed there is no answer...).

I know it is not supported - just to make things clear.

I am not talking about the open tabs (although saving them would be nice as well), I am talking about open e-mails. Yes, I know that they should be saved automatically in the draft after some time - but I work in such a way that every e-mail that needs to get an answer is basically open until I answer it. This can take days and I sometimes have 10-1 or more open e-mails. If TB crashes or the computer does which does happen from time to time then all is closed and I need to start going over my drafts (and I have several accounts) and try and find the open e-mails I had - big pain and I am never sure I got them all.

Allowing TB to re-open all the e-mails that were already open before a crash will be a life saver for me and anybody else working in the same way (pretty sure I am far from alone in working in this way).


Strollin' around

super important idea

that would be a life saver for me too

it's really important to be able to reopen Thunderbird with the last tabs opened at the closure, either this closure is a crash or not

New member

A bit late on the comments, but this would be a very useful features. As iddo says, this idea specifically pertains to open e-mails. 

I typically have 20-30 open emails. It is used in part as my 'worklist' (when I see an email that I need to reply to, I start a draft reply and leave the window open). 

Now let's suppose that I have need to reboot my laptop. If I try to quite Thunderbird, it will ask me to save or discard changes for each open email separately. It takes me 15-30 minutes to go through my open emails, and ensure that they are saved at the top of the drafts list so that i can find them again after a restart. This is a huge hassle for me, and it's seems to have a fairly simple solution: just track the open e-mails when someone quits Thunderbird and re-open them upon restart. (I don't care about crash recovery, I simply want to be able to quit Thunderbird without having to manually go through 30 windows).