But Microsoft also still offers Visio Plan 1 and Plan 2 subscriptions, and those get you extra diagram styles for cross-functional flowcharts and swim-lane diagrams, shapes for network equipment ...

A list of free Microsoft Visio alternative software to prepare complex diagrams includes Kivio, Graphviz, Inkspace, Open Office Draw, and DIA Diagram Editor.

You might be a fan of Canva’s fun templates, but when it comes to creating a professional presentation for work, a different tool takes the cake: Microsoft Visio. It’s also cheaper than Canva ...

It would be worthwhile to label your rack in the same manner. My Visio rack diagram contains a sample 34U rack with objects from the custom stencil, as well as some Visio default items.