Hi @dylanzz ,
Welcome to Microsoft Q&A forum.
For single html file, in VS 2022, you can click File > View in Browser (Ctrl + Shift + W) to preview it(or right-click the white space of this single html file > click View in Browser
).
Besides, you can select File > Browse With… > Set as Default
to change other browsers as the default browser.
Have a great day.
Best Regards,
Tianyu
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