Purpose of the Profile Directory
The profile directory refers to your Firefox User Profile. The previous link provides information about what Firefox uses your profile directory for.
Greasemonkey puts the scripts directory within your Firefox User Profile to store installed user scripts and a copy of any items defined within your installed script's Metadata Block - for example items defined using
You may be asked to create a new user profile as part of the Troubleshooting process.
Find with about:support
The location of your profile directory on your file system depends on your Operating System.
Fortunately, as of Firefox 3.6 and above, the
about:support page provides a handy button to open and locate the profile folder that is currently in use.
You can access this page by either entering
about:support directly into the URL bar or via the
Help menu and selecting
On this page, find the
Profile Directory section and click the
Open Containing Folder button.
This should trigger the opening of your profile folder in your default file system explorer.
Find by hand
If you are required to locate your profile folder manually, these are the default locations of your profile folder on your file system:
- Microsoft Windows
%APPDATA%\Mozilla\Firefox\Profiles\Random Value.profile name
%USERPROFILE%\AppData\Roaming\Mozilla\Firefox\Profiles\Random Value.profile name
Note: you may need to enable displaying hidden files to see
Application Data, or type it into the address bar.
- Apple OS X
~/Library/Application Support/Firefox/Profiles/random value.profile name
Note: random value.profile name is sometimes "default.dcc"
~/.mozilla/firefox/random value.profile name
random value will be a seemingly random mix of letters and numbers (something like "
profile name will usually be "
It will only be something other than "
default" if a new profile with another name has been created on your system by you or another user .