If you encounter the error message This resource cannot be opened because it was created with an older version. If you still want to open it, please refer to the documentation for migration steps. when trying to open a historical version of a document, this is because older versions of documents are incompatible with 2026x Refresh1 of MagicLab.

To open a historic version of document in MagicLab


  1. Open a modeling tool and log in to Teamwork Cloud.
  2. Open the project version you want to use.
  3. The project is now migrated to version 2026x Refresh1 and a new version of the project is created. Open the newly-created version.