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You need to replace "profile" with the name of the profile. Add the parameter -p profile -no-remote to load a specific profile right away.The parameter -no-remote lets you run multiple Firefox installations side-by-side. Add the parameter -p -no-remote to the end of the target line (leave a space) forces Firefox to open the profile manager on start that displays a list of all available profiles.The Shortcut tab lists the target, and it is here that you add the instructions.
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If you cannot locate it using the folder name, you may use trial and error until you get the right profile, or use open folder to browse the profile folder and check it out. The page displays the current profile at the top and any unused profile (that the current Firefox installation does not touch) below.Delete (or rename, for example, to profiles.iniOLD) the profiles.ini file. Click on the Application Support folder, then go to the Firefox folder. However, you can use multiple profiles at once, if you like. It only wants you to use a single profile at once. Firefox isn’t set up to work quite like Chrome by default. A window will open containing your Library folder. That shortcut would now open Firefox with the Profile Manager, assuming Firefox is completely closed when you launch the shortcut.
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The page that opens displays all known profiles and the paths assigned to them. On the menu bar, click the Go menu, hold down the option or alt key and select Library.
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Option 1: Set a default profile for Firefox in the interface
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