Thank you for posting your question in the Microsoft Q&A forum.
Based on your description and the image, I understand that you're facing a frustrating issue where all your equations in a Word document turn bold every time you reopen it, even after updating your Word software.
I've tried to reproduce this in my test environment, but I'll need a bit more information about your setup to narrow down the cause.
- Does this happen with every file that has equations, or is it isolated to just this one document?
- What version of macOS are you currently using?
- What is the specific version of Word you are running?
In the meantime, this could be an issue with the document's default style being corrupted. Please try this troubleshooting step:
Please clear Bold Formatting from the Style> then, go to the Home tab > Click the Styles Pane button > In the pane that appears, find the style you are using (it's often just "Normal") > Click the dropdown arrow, and select Modify Style > In the formatting options, look for the B (Bold) button. Make sure it is NOT toggled on > Click OK > Save the file, completely close Word, and then reopen the file after a few minutes.
Please give that a try and let me know if it works, and if you can provide the extra information about your software versions.
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