AppData is a hidden folder that stores your program settings and user files

The AppData folder lives on your computer but Windows hides it by default. It contains the settings, preferences, and data files that programs use to remember how you like things set up — your browser bookmarks, email account details, game saves, chat histories, and thousands of small configuration files. When you uninstall a program, AppData files often stay behind. When you back up your computer, AppData usually gets backed up too, which is why your settings transfer to a new machine.

You need to find AppData when you want to recover old files a program stored, delete leftover data from an uninstalled program, or move your settings from one computer to another. The folder is hidden because most people never need to touch it, and accidentally deleting something inside can break a program. But you can unhide it and navigate to it in a few steps.

Key Takeaways

  • AppData is located at C:\Users\[YourUsername]\AppData and contains three subfolders: Roaming, Local, and LocalLow, each storing different types of program data.
  • Windows hides AppData by default, so you must turn on "Show hidden files" in File Explorer settings before you can see it.
  • The Roaming folder syncs across devices if you use a Microsoft account, while Local and LocalLow stay only on that computer.
  • Deleting files from AppData can break programs, so only remove data from programs you have already uninstalled or back up the folder first.

How to show hidden files in File Explorer

Open File Explorer (the folder icon on your taskbar). Click the View tab at the top. On the right side, you will see a checkbox labeled Hidden items — click it to turn it on. Windows will now show all hidden files and folders, including AppData.

If you are using an older version of Windows, the View tab may look different. Look for an Options button or Folder Options instead. Click it, go to the View tab in the window that opens, and check the box next to Show hidden files, folders, and drives. Click explore and then OK.

Navigate directly to AppData using the address bar

The fastest way to reach AppData is to type the path directly. Open File Explorer and click on the address bar at the top (where it shows your current folder path). Clear it and type: %appdata% and press Enter. Windows will take you straight to the Roaming folder inside AppData.

If you need the Local or LocalLow folders instead, use %localappdata% or %localappdata%\..\..\LocalLow respectively. These shortcuts work because Windows recognizes %appdata% as a variable that points to your user's AppData location, no matter what your username is.

Understanding the three AppData subfolders

Roaming is the largest folder and holds data that syncs across devices. If you sign into your Microsoft account on a different computer, your browser bookmarks, email settings, and some program preferences will follow you there. Programs store their main settings and user files here.

Local contains data that stays only on this computer — things like temporary files, cache, and settings specific to your hardware. This folder is usually much larger than Roaming because it holds cached web pages, temporary downloads, and other files programs use to run faster.

LocalLow is smaller and used by programs that run with lower security permissions, often web-based applications or older software. You will rarely need to open it unless you are troubleshooting a specific program.

Finding files from a program you uninstalled

When you uninstall a program through Windows, the AppData folder for that program usually stays behind. Open File Explorer, navigate to AppData using %appdata%, and look for a folder with the program's name. Inside you may find saved files, settings, or user data the program created.

Be aware that program folders in AppData often use the company name rather than the program name. Adobe programs store data in a folder called "Adobe", Microsoft Office uses "Microsoft", and smaller programs may use abbreviations. If you are not sure which folder belongs to the program you uninstalled, look at the date the folder was last modified — it will match roughly when you last used the program.

Backing up AppData before making changes

Before you delete anything from AppData, copy the entire AppData folder to an external drive or cloud storage. Right-click the AppData folder, select Copy, navigate to your backup location, right-click, and select Paste. This takes a few minutes but protects you if you accidentally delete something a program still needs.

If something breaks after you delete AppData files, you can restore from your backup. Close the broken program, copy the AppData folder back from your backup, and restart the program. It should work again, though you may lose any changes you made since the backup.

Cleaning up AppData safely

Only delete AppData folders for programs you have completely uninstalled. Do not delete folders for programs you still use, even if they seem old or unused — programs often store important data there that you cannot see.

If a program is behaving strangely, you can sometimes fix it by deleting its AppData folder and letting the program rebuild it from scratch. Close the program completely, delete its folder from AppData, and restart the program. It will recreate its settings folder with default values. This works well for browser cache issues, email client problems, or game settings that got corrupted.

Frequently Asked Questions

Can I delete AppData to free up disk space?

You can delete the Local folder's cache and temporary files, which often frees up several gigabytes. Right-click the Local folder, look for subfolders named "Temp" or "Cache", and delete those. Do not delete the entire Local folder or you will break your programs. If you want to be safe, use Windows Disk Cleanup instead, which removes temporary files without touching AppData directly.

Why is my AppData folder so large?

The Local folder grows over time because programs cache files there — web browsers store copies of websites you visit, games store textures and maps, and applications store temporary data. This is normal and usually harmless. If it is taking up too much space, you can safely delete the Temp and Cache subfolders inside Local without breaking anything.

What happens if I move AppData to a different drive?

Windows expects AppData to be in its default location and moving it can break programs. Do not move the entire folder. If you want to move specific program data, you usually have to do it through the program's own settings, not by moving AppData folders around.

Can I access AppData on a Mac or Linux computer?

No, AppData is a Windows-specific folder. Mac computers store similar data in the Library folder inside your home directory. Linux systems store program data in hidden folders that start with a dot, like .config or .local. The concept is the same but the location and structure are different.

Is it safe to look at AppData files?

Yes, looking at AppData is safe. You can open folders and view files without causing problems. Only delete files if you are sure what they do, or back up AppData first. If you are just exploring to understand what your programs store, you cannot break anything by reading files.