How to retain signatures in PDF?

"Properties>Read Only" at the bottom. Select all PDF files, select read only to make them all read only, then the next time you click "combine all in adobe" it retains the signatures and works!

Why does my digital signature disappear when I combine PDF files?

No, and this is by design. A digital signature is meant to ensure the file is not edited once signed. Merging it with other files is also a sort of editing, so it will either be stopped, or the signature will be removed when you do so.

How to save a digitally signed PDF?

Position your signature where you want it with your mouse and click to apply it. If you chose to save your signature, you'll find it easily accessible in the “Sign” menu in the future. To save your signed PDF document, click File > Save and select a location for the file.

How do I make a PDF electronically signable?

How to make a PDF signable online for free Go to Xodo's free online PDF Editor tool. Choose and open your PDF file. From the top menu, choose Build Form. Add a signature field simply by clicking on the signature icon and then clicking and dragging to the desired position and size onto your page.

How do I keep the e sign in a PDF?

See how to sign a PDF Open the PDF document and select Sign from the top tools bar. Create your signature and initials if not already done. From the Sign panel, select your signature, move over to the field where you want to add it, and then click to place the signature. The form fields are detected automatically.

How do I retain a digital signature in PDF?

How to retain digital signatures when combining PDFs Open the PDF with digital signatures in Adobe Acrobat. Use Adobe Acrobat or Preview to merge the PDFs without the signatures. Open the resulting document in Adobe Acrobat and follow the steps mentioned earlier to have users sign the documents again.

How do I lock a digital signature in PDF?

To keep your electronic signature safe, you should always protect the document from editing. Open the PDF document with Adobe Acrobat Pro/Reader DC or XI application. On the right side, click “Protect” to open the “Protect” options. Click on “Protect Using Password” option.

How do I edit a PDF without losing my digital signature?

To resolve this, follow these steps: Step 1: Open the PDF Document. Step 2: Access the "Prepare Form" Tool. Step 3: Select Form Fields for Editing. Step 4: Open Form Field Properties. Step 5: Unlock the Form Fields. Step 6: Finalize Changes. Step 7: Preview and Save. Step 8: Save and Close the Document.

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Last updated on Jan 7, 2026

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