Double-click the profile folder you wish to open I only had one folder, but others apparently have several.
This method is especially convenient if there is no folder «Old Firefox Data» which happens after reinstallation of the operating system or formatting the hard disk rather than after just resetting Mozilla Firefox.So, if you just deleted a bookmark or bookmark folder in Firefox, there is a good chance you can recover deleted bookmarks. The first method guides you if you have just deleted the bookmark accidentally and would like to undo the changes right away. Method 2 Firefox by default, creates a backup for your bookmarks.The trick works only if it finds the browser has not been closed and reopened. All you have to do is restore bookmarks from the auto-saved backup. Follow step 1 of method 1 and then, select “Show all Bookmarks” option.When you start the browser again, a new user directory appears in the catalog (&&&) It will be empty, but you can restore there the data that has been saved to your desktop, if you want.In order to recover Firefox profile data from a backup copy, you will have to copy files from the folder on your desktop to the new user directory.