Where Does Diablo IV Store Settings?
Diablo IV LocalPrefs.txt location on Windows and Linux, and why characters are server side while settings stay local.
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Diablo IV characters live on Blizzard servers, so there is no save file to back up. What sits on your disk is LocalPrefs.txt with graphics, sound and intro skip preferences inside Documents/Diablo IV. Losing it only resets options.
When the game forgets settings or replays the opening cinematic every launch, that file is usually corrupt or cloud synced badly. Rename it with the game closed and Diablo IV builds a fresh one. Exclude the folder from OneDrive if the problem returns. Console versions keep settings in cloud storage with no local file at all.
Where Diablo IV stores this, by platform
C:\Users\[Username]\Documents\Diablo IV\LocalPrefs.txt
Delete or rename LocalPrefs.txt with the game closed to reset graphics settings. OneDrive syncing Documents causes most repeat resets, so keep this folder local only.
~/.steam/steam/steamapps/compatdata/2344520/pfx/drive_c/users/steamuser/Documents/Diablo IV
Proton path for the Steam release with AppID 2344520. Battle.net installs under Wine use their own prefix, so search for Diablo IV/LocalPrefs.txt if this misses.
Frequently asked questions
Can I back up Diablo IV characters locally?
No. Heroes, stash and campaign progress live server side on your Battle.net account. LocalPrefs.txt holds only graphics and UI choices. Log into the same account anywhere to reach your characters.
Why does Diablo IV reset settings every launch?
LocalPrefs.txt is locked, corrupt or fighting OneDrive. Close the game, rename the file to LocalPrefs.old, relaunch once, and stop syncing the Diablo IV folder to the cloud.
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