Changing default destination folder of Microsoft Form attachments

If you want to have the excel file connected to the MS Teams database and the attachments located on a sharepoint, try this: 
I was trying the described answers, but starting a new MS Forms in MS Teams did not allow to edit answers after submission.

My recommendation is to duplicate the MS Forms project of your personal account and then "move it to a group" where you can select a Team in MS Teams.
Then create/enter the MS Teams group, where you want the project to be located and add it as an existing MS Forms project (for collaboration). Here I'd disconnect the excel and delete all data to get all files / attachments  from now stored on the MS Temas sharepoint.

Be aware, that the attachments are not visible since the apps folder is not shown (if you get the link from an MS Forms upload, remove the file name and the folder "attachement" from the link and here you are (I added this a link to the Documents of the group)