Interface > Working with Data Exchange Formats > TIFF (Snapshot) Files and Shaded Images > Importing TIFF Files > Considerations when Importing a TIFF File
  
Considerations when Importing a TIFF File
When you import a TIFF bitmap file into the current drawing:
The entire image becomes a single entity in Creo.
The drawing file is very large when you store it.
You can manipulate it as you would manipulate normal entities.
You cannot modify the imported graphics in any way.