What are the methods by which it non-durable model could be changed into the durable model?

Following are the ways to change non-durable models into durable model

• In the case of the model does not have a design language, then the steps are-
• It is the vital part of the method to attach the design language to the model. After that combine it to the languages of each package which is on the basis of the model. When it is done, save and close the model.
• Open the model.xml file with the help of using XML or text editor. After that modify the value to en-zw from en which is present near the top of the file.
• If you are using IBM Cognos 8.4.1 you need to add a blank line into the model.xml file which is located just under the modified element. When it is done, insert true to the new blank line.
• If you are using IBM Cognos 10 you need to fix the project level property. It is advised to make use of Design Locale for Reference ID to a value of true.