Destroyed 1.2 Backing Up (markdown)

Thorin-Oakenpants 2022-01-29 05:15:42 +00:00
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Hopefully you have read [what](https://github.com/arkenfox/user.js/wiki/1.1-Overview) a `user.js` does, and how it works. It can have a profound effect on all your settings and data. The `arkenfox user.js` is pretty comprehensive, and no one size fits all - therefore, it is highly recommended that you backup before using it (or use a new or copied profile for testing).
The complete and easiest way to backup is to copy your entire `profile` directory when Firefox is closed. This directory contains many items that a user.js, with certain preferences, can wipe, such as cookies, site specific settings, saved passwords and login names, browsing + download + form history, disk cache, and more. Just backing up the `prefs.js` file is NOT enough, and not recommended by this wiki.
To find your profile directory, go to `about:profiles` (note: this does work with portable Firefox). This will list all profiles, so make sure to select the one that is marked as the `profile in use`. You will see an `Open Folder` button which you can click.
![about:profiles](https://github.com/arkenfox/user.js/blob/master/wikipiki/backup01.png)
When copying your profile directory, it is advised that Firefox be closed. Rename your copied folder to something meaningful, and keep the original name (for an easy rollback). For example, if the profile folder is called `jiu9k8gm.default`. A backup copy might be called `jiu9k8gm.default-2017-03-22` or `jiu9k8gm.default-pre-arkenfox-userjs`.
Be aware, that this is your entire profile. So rolling back will not keep any new cookies, saved passwords, bookmarks, extension changes and the like. The next wiki section outlines some methods you could use to [implement](https://github.com/arkenfox/user.js/wiki/1.3-Implementation) and test out the `user.js` and various preferences.