Set Up Visual Basic Project.

Start Visual Studio 2019. Open Visual Studio with no code. Click on File followed by New Project....

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Set All languages to Visual Basic.
Set All platforms to Windows.
Set All project types to Office.

Highlight SharePoint Add-in.

Click on the Next button.

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Set Project name to SharePointAddIn01.

Click on the Create button.

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Next, specify the SharePoint site that you wish to use for debugging your add-in.

Click on the Next > button.

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Enter your SharePoint admin credentials.

Click on the Next button.

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Enter your SharePoint admin password.

Click on the Sign in button.

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You may get an error indicating it cannot determine the version of SharePoint. Select SharePoint Online.

Click on the Sign in button.

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You now have a VB SharePoint Add-in project.