Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Managing Old Profiles.

So I have a bunch of Firefox profiles I want to set up a new profile and I want to set up the profile switching with in that profile perhaps by creating a bunch of profiles from the about profiles page and then replacing those profiles with the old ones as I don't see a way to just import old profiles in the UI. How do I go bout doing that like copy and move exactly what exactly where.

So I have a bunch of Firefox profiles I want to set up a new profile and I want to set up the profile switching with in that profile perhaps by creating a bunch of profiles from the about profiles page and then replacing those profiles with the old ones as I don't see a way to just import old profiles in the UI. How do I go bout doing that like copy and move exactly what exactly where.

Gekozen oplossing

Hmm, maybe this changed recently. On Windows, the following path doesn't display the external profile chooser if an instance of Firefox is already running:

"C:\Program Files\Mozilla Firefox\firefox.exe" -P

My shortcuts that directly launch a different profile by its name still work when another profile is already open, for example:

"C:\Program Files\Mozilla Firefox\firefox.exe" -P test2025

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Alle antwoorden (7)

I'm not really clear on the change you want to make. You have the profiles set up already, but you want an easier way of selecting one to launch, or switching among them from a running instance of Firefox?

Maybe you are looking at Firefox's completely new profile switcher. From what I can see, it's not ready yet. For example, it doesn't seem aware of existing profiles other than the one you're running. I recommend sticking with about:profiles until the new switcher is further along and we know its full capabilities and idiosyncracies.

jscher2000 - Support Volunteer said

I'm not really clear on the change you want to make. You have the profiles set up already, but you want an easier way of selecting one to launch, or switching among them from a running instance of Firefox? Maybe you are looking at Firefox's completely new profile switcher. From what I can see, it's not ready yet. For example, it doesn't seem aware of existing profiles other than the one you're running. I recommend sticking with about:profiles until the new switcher is further along and we know its full capabilities and idiosyncracies.

"but you want an easier way of selecting one to launch, or switching among them from a running instance of Firefox?"

Honestly just either or if there's a script that will swap them and star Firefox that will do anything is better then nothing.

You can create a desktop shortcut that launches the old-school external profile manager. See: Profile Manager - Create, remove or switch Firefox profiles -- section titled "Start the Profile Manager when Firefox is closed". That won't close the open profile, but will launch a second instance in the new profile.

jscher2000 - Support Volunteer said

You can create a desktop shortcut that launches the old-school external profile manager. See: Profile Manager - Create, remove or switch Firefox profiles -- section titled "Start the Profile Manager when Firefox is closed". That won't close the open profile, but will launch a second instance in the new profile.

"Old-school external profile manager" How Do I launch that I seem to be missing where is says how to do that on that page you sent?

jscher2000 - Support Volunteer said

I run Windows, so I can only point you to the steps for Linux: https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles#firefox:linux:fx136

OK can you give me the windows steps I should be able to convert it.

Gekozen oplossing

Hmm, maybe this changed recently. On Windows, the following path doesn't display the external profile chooser if an instance of Firefox is already running:

"C:\Program Files\Mozilla Firefox\firefox.exe" -P

My shortcuts that directly launch a different profile by its name still work when another profile is already open, for example:

"C:\Program Files\Mozilla Firefox\firefox.exe" -P test2025