HOT TO TRANSFER ALL BOOK MARKS OF FIREFOX TO ONE PC TO ANOTHER

One method is to use the Bookmarks Manager:
In Firefox Select Bookmarks > Organize Bookmarks...
In the Bookmarks Manager select File > Export... and save the bookmarks to a file (default name bookmarks.html)

Copy that file to the new computer and in Firefox open the Bookmarks Manager and select File > Import... and choose the From File option.

 

Second method is

Mozilla Firefox stores all your personal settings, such as bookmarks, passwords and extensions, in a profile folder on your computer, in a location separate from the Firefox program. This article explains how to back up your profile, restore it, or move your profile to a new location or computer.

 

Locate your profile folder

Windows:

The default location of the Firefox profile folder is %APPDATA%\Mozilla\Firefox\Profiles\xxxxxxxx.default\.

• %APPDATA% is shorthand for the C:\Users\<username>\AppData\Roaming\ folder (Windows 7/Vista) or the C:\Documents and Settings\<username>\Application Data\ folder (Windows XP/2000), which depends on your Windows user account name.

Mac OS:

The default location of the Firefox profile folder is ~/Library/Application Support/Firefox/Profiles/xxxxxxxx.default/.

Linux:

The default location of the Firefox profile folder is ~/.mozilla/firefox/xxxxxxxx.default/.

• xxxxxxxx represents a random string of 8 characters.

You can locate your profile folder using these instructions: