AppData is a folder in your Windows user account home folder, and Roaming is a folder within that. AppData\Roaming is where programs on your machine store data that is specific to your user account. The folder is normally hidden, and lives within your user account home folder.

Is AppData Roaming important?

There are actually three folders inside AppData, and different programs store different types of settings in each. ... The Roaming folder contains data that would “roam” with a user account from computer to computer if your PC was connected to a domain with a roaming profile. This is often used for important settings.

Why does AppData open Roaming?

The Roaming folder is used to store data that will be synced across multiple Windows systems. This is often used for storing settings like bookmarks, saved passwords, and so on.