Version: eXtendFiles all versions
Audience: Administrator
You can add or inactivate a custom File Type using the steps below:
1. Go to Customization → Lists, Records, & Fields → Lists.
![Image Placeholder](/desk/file/10796633/image.png)
2. Open the Files Record - Type List list.
![Image Placeholder](/desk/file/10796634/image.png)
3. Add or inactivate the applicable File Type(s) in the Values sublist.
![Image Placeholder](/desk/file/14952518/image.png)
4. Click Save.
![](/desk/file/15257470/msedge_2023-11-07_10-15-54.gif)