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If I have six or seven tabs open in Firefox, and I need to close it down for performance or other reasons, is there a way to save that state of tabs so the next time I open Firefox it'll reopen those tabs?

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Firefox has asked if you want to save tabs by default for a while now. What version are you running? – wfaulk Oct 25 '09 at 17:48
I'm on 3.5.3, so a very recent version. When I originally set up FireFox I switched off the option of saving tabs when I close-- I'd like it so that it saves the tabs only when I want it to. – Jim Bancroft Oct 26 '09 at 22:13
up vote 7 down vote accepted

Tools -> Options -> Main -> "When Firefox Starts" option. You just have to select "Show my windows and tabs from last time".

In some versions of Firefox it is instead menu Tools -> Options -> General -> "When Firefox Starts".

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Sounds great, thank you! (and to everyone who contributed.) – Jim Bancroft Oct 26 '09 at 22:14

Tab Mix Plus, an add-on for Firefox, has a feature called Session Manager. It will reload the state of all tabs and windows when you restart Firefox.

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I think there is already a session manager in Firefox 3.5 but the version included in Tab Mix Plus is much more advanced.

If you don't need all the features of Tab Mix Plus, there is also a Session Manager add-on but I never tried it, as TMP has tons of other features.

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How is TMP's "much more advanced"? – wfaulk Oct 25 '09 at 17:49

Simply select Exit in the File menu.

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Firefox v3.5.3 here. – mr-euro Oct 25 '09 at 17:30

I persume you have a pretty old Firefox.

Download the newest one. If you close it, it should tell you if you want to save your tabs. Otherwise look at Preferences.

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