1. The Lumion-documents folder

1.1: Lumion stores custom data (Imported Models, Custom Materials, Recent Files, etc) in the Lumion-documents folder. The default location is:

• Documents\Lumion\

In Lumion 2023.1.2 and newer versions, you can change the location of the Documents folder in the settings of the software.

1.2: A local drive should be used as the destination for the Lumion-documents folder. It is not recommended to use a network drive or a folder backed up by a cloud application as the location of the Lumion-documents folder given that unexpected behavior may occur (slow down, crashes, or corrupted files)

1.3: The option to change the location of the Lumion-documents folder is only available for local administrators.

That is, you have logged in to Windows with a Windows Profile that has Administrator rights. 

If you have logged in to Windows as a Standard user then you will only see the current location of the folder with no option to change it (see Section 2 on how to change the location):

2. Setting a custom location for the Lumion-documents folder:

2.1: Open Lumion as Administrator:

2.2: Go to Settings:

2.3: Select the button for the Lumion-documents folder:

2.4: Note that Lumion will need a restart after accepting the new location:

2.5: Browse to the location and click 'Select Folder':

2.6: A subfolder named Lumion will be automatically created:

2.7: Important: The contents of the old Lumion-documents folder need to be manually copied and pasted to the new location. In this example, the contents of the Lumion subfolder would need to be:

• copied from C:\Users\User\Documents\Lumion
• and pasted to F:\10_Testing\Documents\Lumion

2.7: Restart Lumion- do not do any modification in Lumion before doing so.

2.8: In the situation you need to revert the Lumion-documents folder to its original location, you can do so by selecting the 'Restore' button:

3. Changing the location of the Lumion-documents folder after a start-up error:

3.1: When Lumion cannot access the default location of the Documents folder, a notification will appear:

3.2: You can give access to the Documents folder by following the instructions below:

• Knowledge Base: Why does Lumion need access to your computer's Documents folder?

3.3: Running Lumion as an Administrator will also allow you to change the location where Lumion stores the user data to a custom one:

3.3: Note that Lumion will need a restart after accepting the new location:

3.4: Browse to the location and click 'Select Folder':

3.5: A subfolder named Lumion will be automatically created:

3.6: Once Lumion detects that it has access to the set location, the error will disappear.

3.7: Important: If there were any contents inside the old Lumion-documents folder, the data needs to be manually copied and pasted to the new location. In this example, the contents of the Lumion subfolder would need to be:

• copied from C:\Users\User\Documents\Lumion
• and pasted to F:\10_Testing\Documents\Lumion

3.8: Restart Lumion - do not do any modifications in Lumion before doing so.

See also:

• Knowledge Base: Why does Lumion need access to your computer's Documents folder?