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How to upgrade Messageware OWA Desktop trial to a production license

This article applies to the following products:

  • Messageware OWA Desktop for Office 365
  • Messageware OWA Desktop 2019
  • Messageware OWA Desktop 2016
  • Messageware OWA Desktop 2013 



There are two ways to upgrade the evaluation license to production in Messageware OWA Desktop. Please refer the steps below.

Enter the OWA Desktop license key when prompted

OWA Desktop will periodically connect online to perform a license check and evaluate the time remaining on the license. Upon nearing or having reached license expiration, a notification will be displayed.

To update the license just enter a valid production license and click OK.

Figure - Messageware OWA Desktop license will expire soon


Figure 2 - Messageware OWA Desktop license has expired

Manual License Import

Manual license import is typically performed in labs where the environment cannot connect online. 

To update the license in this case, contact Messageware Technical Support and obtain a license file (lic file).

To update the license click the link (Click Here) and enter the license provided by Messageware Technical Support and click import.

Figure 3 - License import


Deploying License using OWA Desktop deployment file (od.dep)

Administrators can provide the Messageware OWA Desktop license to all OWA Desktop users by creating a deployment file (dep file), and deploy the file to all OWA Desktop client computers in the enterprise.

Please contact Messageware Technical Support for assistance with the deployment suport@messageware.com

For additional information on OWA Desktop deployment refer to the links below.


OWA Desktop Office 365 Deployment




OWA Desktop Of On-Prem Deployment