I have taken the following text from a YouTube video:
Let’s say that in a document I want to replace CO2 and CO2 (2 as subscript). If you have ever tried, then normal copy-paste in replace with dialogue box doesn’t work. However, with the following trick, you can achieve the desired effect using the following steps.
- Copy the replacement (target) text with subscript/superscript
- Open the Replace dialogue box by navigating to Home → Replace or keyboard shortcut (Ctrl + H)
- Fill in the find what text and type “^c” without quotes in “Replace with”
- Hit Replace or Replace All to find and replace
Blog post of the person who recorded the video: https://www.pickupbrain.com/ms-word/replace-text-with-subscript/