Modern Mac-native diagramming tools can open, edit, and save .vsdx files better than Visio for the web in some cases.

If you’ve recently switched from a PC to a Mac—or you’re the lone Mac user in a Visio-loving enterprise—you’ve probably had this exact moment of panic.

Visio is a Windows desktop application deeply tied to the Windows graphics stack (GDI+, OLE embedding, etc.). Porting it to Mac would mean a full rewrite—and Microsoft has calculated that the ROI isn’t there.

You open Microsoft Office 365 on your shiny MacBook Pro. Word? Check. Excel? Check. PowerPoint? Sadly, yes. Visio?

You pay for Office 365, you open your Mac, you search for Visio... and nothing. Here’s what’s actually going on.