But nothing's stopping you from using multiple profiles to keep things organized. seems to produce a Profiles folder, but no subfolder with the new profile name.
But considering how easy it is to switch from one profile to another, it's probably a better idea to use separate accounts in Windows or macOS, if you want any privacy or security there at all. If multiple people in a household share a computer, profiles are a good way to keep everyone's browsing apart. So I can’t close firefox and I can’t open it. Removing and reinstalling firefox looked promising, but once the browser was closed any attempt to re-open got that message again. Perhaps the most obvious way to use them is to have one for work stuff and one for personal stuff, but there are other uses too. I’ve tried the above suggested batch files and profile fiddling without success. They gather up all the usual browsing data-passwords, bookmarks, your browsing history-and keep them in separate buckets. Think of profiles as different identifies you can switch between. Go to Start menu and open the browser in Safe mode. Choose the type of setup to Custom and change the default directory to d:program files. Delete (or rename, for example, to profiles. Go to program files and remove the firefox directory. The hidden Application Data folder will open. And while, sure, you could keep dozens of tabs open or multiple windows for each purpose, consider a feature that's been long-baked into your browser that may help: user profiles. Method 2: Manually delete the profiles.ini file Click on the Windows Start button and click on Run Type appdata in the Run box and click OK. Make sure Firefox is not running otherwise it will.
Open the addon manager and update the extensions. If you made a new profile, you can use it with firefox -no-remote -P profilename. unzip the profile.zip file into the folder. Type firefox.exe -p to open Mozilla Firefox Profile Manager. Delete everything from the new profile (you will lose all existing data from the profile). Most of us are trying to manage a mass of logins and browser tabs, and not just multiple websites or services, but multiple accounts for work, home life, our hobbies, and more. You can locate the profiles at the following paths.