Backup your bookmarks in mozilla firefox

This is simplest trick to backup your bookmarks in mozilla.  Follow the following steps:

• Select Bookmark in menu bar(or press "alt+B")
• Now select Organize bookmark
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• a small window will open like this
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• Select "Import and Backup"
• Then select "Export HTML"

• Browse and save it in your favorite place(Try to avoid store in c drive and documents)