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Only one of my two windows was restored after I restarted Firefox (150.0) in Mac OS 26.4.1, and "Restore previous session" is greyed-out. Is there any way to reopen the missing window?

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Is there any way to reopen the tabs from that missing window? "Recently closed windows" only shows the last 3 tabs in that window. I've tried restarting Firefox 3-4 times, and rebooted my Mac, with no success. The reason I originally restarted Firefox is because it was suddenly working very slowly. The window that did open has about 30 tabs; the one that didn't open only had about 15 tabs.

Is there any way to reopen the tabs from that missing window? "Recently closed windows" only shows the last 3 tabs in that window. I've tried restarting Firefox 3-4 times, and rebooted my Mac, with no success. The reason I originally restarted Firefox is because it was suddenly working very slowly. The window that did open has about 30 tabs; the one that didn't open only had about 15 tabs.

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Hi,

Generally, the second method from How to restore a browsing session from backup should help. However, please note that since you've already restarted Firefox several times, the most recent backups may have been lost (and you'll have to use one from some time ago).

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