You can create custom stamps from a number of different formats, including (but not limited to) PDF, JPEG, bitmap, Adobe® Illustrator® (AI), Adobe® Photoshop® (PSD), and Autodesk AutoCAD (DWT, DWG) files. Create Custom stamp only allows pdf format in reader.
Change the name or category for a custom stamp
Delete a custom stampYou can delete only the custom stamps that you created, not the predefined stamps. When you delete a stamp, the stamp is removed from the Stamp tool menu, but the stamp file isn’t deleted.
Delete a custom stamp category