How to sign documents with Mobiil-ID in DigiDoc4 Client?

 There is two options to sign documents:

1. Go to the desired document or documents and right-click on "Sign digitally"

2. Alternatively, open the DigiDoc4 client

  • Drag document or documents into the window or click on the button "... OR LOAD FILE FROM DISK"
  • If you want to add more documents then click on the button "+ ADD MORE FILES"
  • In the main you can see all the documents that will be signed. If everything is OK, click SIGN WITH MOBIIL-ID
  • If you want then you can add role or resolution What do signer role/resolution mean and how to add them to the document?
  • Enter your phone number and personal code and click on the button "SIGN"

  • Shortly you will be displayed with control code, which will also be sent to your phone.

  • Your mobile phone should now have received a message and display the control code.

  • Check that the control codes in DigiDoc4 client and on the mobile phone screen match.
  • If they match, press Accept on your mobile phone. 
  • Now you will be asked for Mobiil-ID PIN2 code, insert it.

Digital signing was successful if signature has been added to the container and you see similar outcome:


With signed documents you can do a variety of activities, such as:

NB! You cannot change the contents of the signed document, but you can add or remove signatures.

If you want to add your signature for signed document

  • Save the document into your computer
  • Open signed document with DigiDoc4 client
  • Add your signature

If you have problems with digital signing then you can look up solution from here

Possible error messages: session expired, wrong PIN2 code, digital signing was declined, mobile phone is turned off. In case of internet connection problems you will get an error that could not reach service provider and check your internet connection. 


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