I took my MacBook Pro into the Apple store for repair. When I got it back and opened Firefox, it could not restore my previous session. How can I get the last session I had on May 15th?
The following article may help you with that problem: https://support.mozilla.org/en-US/kb/how-do-i-restore-my-tabs-last-time.
You may want to submit your question to support.mozilla.org next time you have support question like this.
Thanks!! I will contact them.