Currently all of our SSDT packages have been created with SQL Server Data Tools 2015

We are looking to upgrade to SSDT 2022. I installed Visual Studio 2022 with the following selected during setup:


Issue is that I am not able to open any of our existing SSDT 2015 packages in order to upgrade them. My coworkers are facing the same issue. When I try to open the SLN file we get this error:

Any advise of how to get this working? Am I missing something in the install?
From my comment I made was solution so posting here.
To have SSIS packages run in Visual Studio you need to install Integration Services.
A link for how to install (may not be for all versions of VS):