Hello @Tech Geek,
if you want to develop add-ons for office tooling like Word, Excel, Outlook etc. please check out Visual Studio Office Developer Tools.
If you are developing for no-commercial usage, the Community edition is the one you are looking for.
Otherwise, you need to check out the commercial licenses.
If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.