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How do I clear the browser cache for Mozilla Firefox?

Firefox Browser version

Firefox 30 and higher

  1. In the upper right, click on the 3 horizontal bars, then choose History.
    Firefox preferences
  2. Choose Clear Recent History.
    clear recent history
  3. Set the Time Range to Clear to Everything.
    Click the triangle to show Details. Select Cookies, Cache, Active Logins and Site Preferences.
    clear cache

If you'd like your cache cleared every time you quit Firefox, see: How do I clear my browser's cache automatically each time I close Firefox?

Firefox 6 - Firefox 24 on Windows

  1. Follow the menu path Firefox > History > Clear Recent History.
  2. Change the value for Time range to clear to: Everything.
  3. Click the triangle next to Details.
    Result: Additional options are displayed.
  4. Leave Cache and Site Preferences checked. You may wish to uncheck other options, in order not to delete history entries, and data that has been stored for websites you have visited.
  5. Select Clear Now.

Firefox 6 - Firefox 24 on Macintosh and Linux

  1. Follow the menu path: Tools > Clear Recent History – or use quick keys Command+Shift+Delete (Mac) or Ctrl+Shift+Delete (Linux)
  2. Change the value for Time range to clear to: Everything.
  3. Click the triangle next to Details.
    Result: Additional options are displayed.
  4. Leave Cache and Site Preferences checked. You may wish to uncheck other options, in order not to delete history entries, and data that has been stored for websites you have visited.
  5. Select Clear Now.
  6. Close all browser windows and quit or exit the browser.
  7. Relaunch Firefox and try again to access the site.

Firefox 3.x (Macintosh, Windows, Linux)

  1. Follow the menu path: Tools > Clear Recent History – or use quick keys Command+Shift+Delete (Mac) or Ctrl+Shift+Delete (PC)
  2. Change the value for Time range to clear to: Everything.
  3. Click the triangle next to Details.
    Result: Additional options are displayed.
  4. Leave Cache and Site Preferences checked. You may wish to uncheck other options, in order not to delete history entries, and data that has been stored for websites you have visited.
  5. Select Clear Now.

Firefox 2 (Windows or Macintosh):

  1. On:
    • Windows: Follow the menu path: Tools > Options
    • Macintosh: Follow the menu path: Firefox > Preferences
  2. Select the Privacy tab.
  3. In the Private Data section, select Clear Now.
  4. Leave Cache checked. You may wish to uncheck other options.
  5. Select Clear Private Data Now.

IS&T Contributions

Documentation and information provided by IS&T staff members


Last Modified:

May 04, 2016

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