You can save your TIFF file as a PSD file if you wish to do so!
We create our mockups in the TIFF format to make them compatible with all versions of Adobe Photoshop. You just need to open your file in Photoshop. Your TIFF file contains all the proper layers necessary.
To save your TIFF as a PSD just open the file in Photoshop, press "File-> Save As" choose the file format- Photoshop. Press "Save". Done!
