Note: Once you have made a stamp that is visible in the PDF, you will not see your stamp in the Stamps panel. Step 3: You can also add a custom stamp to your PDF via your desktop in the File Explorer (Start > All Programs > Accessories > Search Tools > Adobe Photoshop...). Then choose “Add image...” from the Open or Save As menu and then browse to your custom stamp. Then select the image from your file explorer to open it. Note: You must be signed in as an Adobe member in order to apply custom stamps to Adobe Photoshop files. When you have made the stamp visible, double-click on it to edit the stamp properties. Step 4: Make your new custom stamp visible in Power PDF by opening that PDF on a modern browser such as Internet Explorer and then going to your desktop PC and right-click on your newly created new stamp and choose Open as to open the PDF. You will see a dialog box like this: Note: Please note that the image cannot be saved as an image, so the image must be included in some way. In either case, the result is still a custom stamp so if you don't have your own stamp, or you want to change its properties, then you still have to take care of this step for each new custom stamp that you apply. Top 4 Ways to Add Stamp to PDF Sending custom stamps to PDF by Mail Step 1: To send custom stamps to PDF you must follow the following method: Open an email containing the name of your custom stamp and the text you want to include. Choose Action > Open As in the email, and then choose To send. Note: If you wish to save the PDF in MS Word or an application that works with Office PDFs you will need to save it in Office's .docx or .ODT format Step 2: When it is sent the PDF will be displayed in an MS Word document with the custom stamp applied to its cover art. It can be opened with other MS Office applications as a normal document in MS Word. The original image and the custom image will be added to the end of the PDF. Step 3: To save the PDF by email select Save PDF in the Save As options.