A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Hi Songe
I'm Anna and I'd be happy to help you with your question.
To you question, yes it is possible to use custom tags for presentations, slides, and shapes in PowerPoint. You can do that with the use of VBA. Please visit links below to learn more
https://learn.microsoft.com/en-us/office/dev/add-ins/powerpoint/tagging-presentations-slides-shapes
https://www.rdpslides.com/pptfaq/FAQ00815_Working_with_Tags_-and_a_bit_about_Functions-.htm
Note: This is a non-Microsoft website. The page seems to provide accurate and reliable information. Beware of advertisements on the site that may advertise products that are frequently classified as PUPs (potentially unwanted products). Do thorough research on any product advertised on the site before you decide to download and install it.
I hope this helps ;-)
Best Regards,
Anna
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