That is an interesting question. Generally speaking, Microsoft Office shapes are copyright-protected, so you won't be able to use them inside your software without permission.
However, there are a few alternatives available that you may want to consider.
- You can create your own shapes and use those in your software. This is likely the best option to go with since you will have total control over the look and feel of any shapes generated within your software.
- There are also many free and open source software libraries out there that provide a collection of shapes and other graphics that can be reused and embedded into your software. One such library is SVGLib (https://github.com/svglib/svglib). This library provides ready-made shapes, which may provide the look and feel you are after.
- Some libraries also provide an API that you can use to generate shapes and graphics on-demand, on the fly. An example of this is the P5JS library (https://p5js.org), which has an API for generating shapes and other visual elements.
Ultimately, the decision is up to you. Regardless of what you decide to do, make sure that you have permission from the copyright holder before using any shapes from Microsoft Office in your software.