Create a block diagram - Visio - supportce Create a block diagram - Create a block diagram with perspective Click the File tab. Click New, under templates, or categories, click General, and then double-click Block Diagram.. From the Blocks With Perspective stencil, drag shapes onto the drawing page. To add text to a shape, select it, and How do I create block diagrams in Microsoft Office without using 2 Answers 2. active oldest votes. up vote 2 down vote accepted. You can use SmartArt or Shapes in Excel. Just go to the Insert tab and click on SmartArt or Shapes. It's not as easy as Visio makes it, but you can still do it. BTW, SmartArt is annoying to use for the kind of flow chart you want to create.