Files in browser memory

Click the file name in the header to open the file list.

Where are files kept?

In your browser's storage, on your machine. They are never sent to a server or synced.

How do I open another file?

Click file or folder in "Add file or folder" above the list, or drop files or a folder on the window. Every file shows in the list; one opens.

How do I remove a file?

Click Remove on its row, or Remove all. Both ask first.

What does reopening a file do?

Re-parses the OPC package the 3MF Core Specification defines. Nothing leaves your browser.