From Whimsical on the web: Command + Option + W (Mac) or Ctrl + Alt + W (Windows/PC) - closes the file that has focus, or click the X in the file’s title bar:
From the Mac app: Click X in the split view tab you wish to close, or use Command + W:
Some pages are not able to be opened in split view like the Inbox, Recent, My tasks, and Workspace settings. We’re working on adding support for these pages - If any are particularly important to you, we’d love to hear about why.
It’s not yet possible to drag and drop items from one view to another, but you can copy and paste them easily between views. 👌