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I want to activate some options in Google Chrome that my system administrator forgot to enable, namely autocomplete forms and remembering passwords. I need root permissions to change them via GUI, but I can modify the configuration files by old-school typing. Which file and what lines should I look for?

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Although if the sysadmin requires that you need root perms to manage the settings via the GUI then it would be reasonable to assume that you would also need root perms to write to the underlying config files? – w3dk Feb 19 '13 at 13:35
@w3d That's what I thought too, but apparently it's not the case – Variax Feb 19 '13 at 13:57

There is a file called "Preferences" within the "User Data/<Profile>" folder that appears to contain these settings. The location of this file varies according to OS. For the "Default" profile this is located at:


C:\Documents and Settings\<User Name>\Local Settings\Application Data\Google\Chrome\User Data\Default\Preferences


C:\Users\<User Name>\AppData\Local\Google\Chrome\User Data\Default\Preferences

You then need to search for the appropriate setting in that file. I would close Chrome (and backup) first as this file appears to be updated automatically as you navigate tabs.

"Enable Auto-fill to fill in web forms in a single click." appears to be stored here:

   "autofill": {
      "enabled": true,

"Offer to save passwords I enter on the web."

      "password_manager_enabled": true,
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