MIUN uses your network credentials. Please continue to log in to Box using your network account.
Information how to migrate from Miun Box to OneDrive.
https://www.miun.se/en/staff/support/employee-info2/2020-11/miun-box-will-be-phased-out-and-replaced-by-onedrive/
Mittuniversitetet has provided you with a Box account to store, share, and access your files online.