Work with Procedures in Vuforia Editor > Working with Assets > Supported File Types
  
Supported File Types
Images
.jpg
.jpeg
.png
.gif
Videos
.mp4 (Recommended)
.mov
* 
.mov files may perform poorly or not at all on some Android devices.
3D Models
.obj
.stl
.stp or .step (AP203, AP214, and AP242; geometry only)
.jt (up to 10)
.pvz