
Click on Signature -> Add digital signature. Open a Word document in ONLYOFFICE Desktop Editors and go to the Protection tab. This option is suitable for everyone who needs to prove the origin and integrity of documents, but does not plan to print them out or make new fields in the content. Choose the necessary one according to your company policy.


Both types operate similarly from the technical standpoint - neither is better or worse. ONLYOFFICE Desktop Editors allow protecting documents on your computer with or without visible signs. To sign Word documents digitally, you must have a certificate issued by a Certificate Authority (CA). They prove that files are distributed by a known sender and were not altered in transit. The most common use case for digital signatures is sending documents. Attempts to edit files anyway make signatures invalid, which means the content was modified intentionally.

Whenever you add one, documents get protected from editing and the corresponding warning message will appear. Want to protect information in your Word documents? Learn how to add digital signatures in ONLYOFFICE Desktop Editors and share documents, spreadsheets, and presentations for signing.ĭigital signature is an advanced mathematical technique used to verify the authenticity and integrity of important documents.
