You can change the project owner by following the procedures below:
For more details on the project download/upload, please refer to the following online help:
https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/studio/myprojects.html#download_project
https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/studio/myprojects.html#upload_project
Also, if there are many owner change tasks, you can create a CLI batch and automatically download/upload the target project using the "prodl" or "proul" command.
Please refer to the following online help for more information on CLI Console:
https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/cli/cli.html
The details of each command can be confirmed by inputting "man <command name>" in the CLI Console.
[Supplementary]
If the downloaded project above is uploaded as a new project, it will be uploaded as a non-shared project.
For this reason, please reconfigure the sharing settings after uploading.
For sharing projects, please refer to the following DataSpider Help.
[About shared project]
URL:https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/studio/myprojects.html#restriction_share_project