Which files can and may be signed?

13. April 2023

Theoretically, any file type can be digitally signed

The areas of application of the digital signature are diverse. Electronic invoices are usually signed, here the most common file types are .pdf, .doc, .txt, .xml and .html

How to sign .xml files? Find out here!

Furthermore, websites (.htm, .html files) and emails are signed. Signed emails have the signature as an attachment to the actual email.

However, programs can also be signed. The advantage is that when the program starts, you can see who the program came from, which means you are better protected against spyware or other unwanted programs. Starting with the Microsoft XP operating system, a valid signature is automatically checked when the program starts.

Other areas of application for signed files include electronic archives or medical histories. Here, the signature has the advantage that subsequent changes to the files and thus any falsifications can be recognized immediately.

Learn more about signing documents!

You might also be interested in that

What are the costs of not going paperless?

What are the costs of not going paperless?

While digitization reached almost every aspect of daily work, the necessity for handwritten signatures in B2B environments preserves printing paper its crucial role – and incurs costs. However, by implementing e-signatures, businesses can reduce expenses, streamline processes, and contribute to a more sustainable...

read more
Sign and encrypt emails using an Apple iPhone

Sign and encrypt emails using an Apple iPhone

User guide for signing and encrypting emails with the GLOBALTRUST CLIENT certificate on your Apple iPhoneAs of May 10, 2023 1 Basic 1.1 Goals of this document A step-by-step guide on how to add the certificate to your iPhone to then sign and/or encrypt emails. This guide was created for an Apple iPhone (iOS version:...

read more