Offline activation and deactivation of a Single User License for SDL Trados Studio 2015, Passolo 2016 and later

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Solution Article
Best Practice / How To
SDL Trados Studio 2015, SDL Trados Studio 2017, SDL Trados Studio 2019
Passolo 2016, Passolo 2018

This article is for users who bought/upgraded and installed SDL tools licensed via a Single User License and now want to activate or deactivate their license offline.

If you want to activate your license online, refer to KB article


New Single User Licenses have been introduced with SDL Trados Studio 2015. A valid code contains 36 characters consisting of numbers, letters and dashes.

All licenses are available in the Products & Plans > Licenses section of your SDL Account:

Click on the URL in the email you received from SDL, or browse to
The website opens on the Login page. Enter your user name and password.

Offline activation of your Single User License

Refer to the following instruction video:

Or follow these step-by-step instructions:

  1. Open SDL Trados Studio 2015 and in the Product Activation wizard, click Activate to display the Online Activation page.
  2. Click Alternative activation options > Offline Activation:

    User-added image
  3. Copy your activation code (located in Products & Plans > Licenses of your My SDL account) and paste it into the Activation code field.
    NOTE: The moment the activation code is placed in the field the Installation ID will be displayed:

    User-added image
  4. Go to your My SDL account area in Products & Plans > Licenses locate your activation code and press on the right hand side: Can´t activate online? - Get an offline Activation Certificate

    User-added image
  5. Copy & paste the Installation ID from the Production Activation dialog (see Step 3) into the Installation ID* field and press Generate Offline Activation Certificate 

    User-added image
  6. Copy the Activation Certificate

    User-added image
  7. Switch back to the Product Activation wizard and paste the Activation Code into the dialog using the Paste from the clipboard icon:

    User-added image
  8. Click the Activate button. If the activation code is valid, the Activation Successful message is displayed.
  9. Click OK. Your license has been successfully activated.

Offline deactivation of your Single User License

Refer to the following instruction video:

Or follow these step-by-step instructions:

  1. Open Studio and go to Help > Product Activation in SDL Trados Studio 2015.
  2. Click Deactivate offline.
  3. Login to your SDL Account > Products & Plans > Licenses.
  4. Select your version of SDL Trados Studio 2015 and click Can't deactivate online? - Deactivate Offline.
  5. In the Deactivation Authorization dialog box, copy the Deactivation Authorization Certificate:

    User-added image
  6. Paste the Deactivation Authorization Certification into the Deactivation Authorization box and click Generate Certificate:

    User-added image 
  7. Click OK when you receive the message that the product has been deactivated locally.
  8. Copy the Deactivation Certificate displaying in the Product Activation dialog.
  9. Switch back to your SDL account and paste the Deactivation Certificate into the Deactivation Authorization box and click Deactivate. A confirmation page indicates the license has been successfully deactivated.
  10. Switch back to the Product Activation Wizard, tick the box I have returned the deactivation certificate to SDL:

    User-added image
  11. Click Confirm.

The tables in this article were edited with the free HTML table editor.


Do you still require help?

If this article has not solved your issue or if you require assistance, contact the SDL Support Team:


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