This tool is made for you then!
- You just need download the release package. Inside of it, there's for Linux and windows
- Run the app and enter you export url project like this:
https://location.api.cognitive.microsoft.com/customvision/v3.0/Training/projects/yourprojectid
- Enter your training key for this project
- Enter you import url project like this:
https://location.api.cognitive.microsoft.com/customvision/v3.0/Training/projects/yourprojectid