Questions? Chat with us.
© Haptic, LLC*30% off applies automatically at checkout for your first month. Ends September 30, 2026.
ValheimGuideYour Valheim world is two files named after it, one ending in .fwl and one in .db (on newer Valheim versions it can be a folder named after the world…
Your Valheim world is two files named after it, one ending in .fwl and one in .db (on newer Valheim versions it can be a folder named after the world instead). Drag both files (or the folder) straight into the upload box on Haptic, confirm, and start your server. No zipping needed, and your current server world is backed up automatically before anything is replaced.
Press the Windows key + R, paste %userprofile%\AppData\LocalLow\IronGate\Valheim\worlds_local, and press Enter.
Find the two files named after your world: YourWorld.fwl and YourWorld.db.
Two things trip people up in this folder:
Windows often hides file endings. When it does, the two world files both show up as just "YourWorld", while other files show long names. If you are not sure which is which, sort the folder by Type, or turn on File name extensions in the Explorer View menu.
The files ending in _mapTexCache, _heightTexCache, and _forestMaskTexCache are not your world. They are pictures of your map that the game rebuilds automatically. Uploading those cannot work, and the uploader will tell you so.
On newer Valheim versions the world can be a folder named after your world (with files like _main.53.fwl2 inside). That whole folder is your world.
On your server, open the Backups card and click Upload World. (Creating a new server? Turn on Upload Existing World during setup.)
Drag both files into the box together, or drag the whole world folder in. You can also click the box and pick them. No zipping needed. If you already have an archive, ZIP, RAR, 7Z, and TAR all work.
Haptic checks the files right away and shows what it found ("Found Valheim world ..."). If something is off, the message tells you exactly which file is missing or what to grab instead.
Confirm the upload. Your server's current world is backed up first, so you can always go back from the Backups tab.
Start your server. Buildings, progression, bosses, and explored areas all come with the world.
Uploading only one of the two files. The .fwl holds the world's name and seed; the .db holds everything you built. Valheim needs both.
Uploading the map cache files (_mapTexCache, _heightTexCache, _forestMaskTexCache). They are just images.
Dragging files out of an open ZIP window. Extract the ZIP first, or upload the ZIP file itself.
The world lives on the computer that created it (the host). If you joined a friend's game, the files are on their PC, in the same folder as above. Ask them to send you the two files (or the world folder), then upload them here.
Message us on Discord or open a ticket. A screenshot of your worlds_local folder plus the exact message the uploader shows gets you an answer fastest.
Backups: every import takes a backup of the previous world first, restorable from the Backups tab.
Characters (inventory, skills, map pins) live on each player's own PC in Valheim and travel with them automatically, so nothing extra to upload there.
Accepted upload formats: both world files, the world folder, or a ZIP, RAR, 7Z, or TAR archive of either.