After you've exported your solution, you can import it into any environment that meets the prerequisites. Follow these steps to import a solution:

  1. Sign in to Microsoft Flow, and then select Solutions from the navigation bar.

  1. Select <- Import.

  2. Select Browse from the Import Solution page that opens.

  3. Find and then select the solution that you want to import.

  4. Select Open.

    You should now see the Select Solution Package page similar to this image:

  5. Select Next.

    If there are no errors, the importation completes within a few moments.

 Note

You cannot import a solution into an environment in which the solution already exists.

Source: Microsoft