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thunderbird does not reopen tabs on restart

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Hi all, thunderbird 102.10.1 64bit, Windows 10. I keep some messages open in tabs as a reminder for work. After closing tbird, it won't keep tabs open when I restart it. How can I solve this? Is there a setting in config editor? The usual solution of deleting session.json and sister files did not work. I see no settings in the menus.

Thanks in advance
Hi all, thunderbird 102.10.1 64bit, Windows 10. I keep some messages open in tabs as a reminder for work. After closing tbird, it won't keep tabs open when I restart it. How can I solve this? Is there a setting in config editor? The usual solution of deleting session.json and sister files did not work. I see no settings in the menus. Thanks in advance

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stellastai said

Hi all, thunderbird 102.10.1 64bit, Windows 10. The usual solution of deleting session.json did not work.

That is the file the tabs are stored in. Deleting it makes them go away. Having some third party products like ccleaner can also make the file go away and tabs are lost. A new one is then created when Thunderbird starts.