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• Microsoft Office
• .NET Framework 4.7.2 (for TLS 1.2 support)
• Visual Studio Tools for Office (VSTO) Interoperability client
• MSI Installer

Developer Requirements

Use VSTO Editor for document- and application-level add-ins.

Office Primary Interop Assemblies

Before you can run Excel TimeTrack Client or any other VSTO "solution," you must have the Primary Interop Assemblies for Microsoft Office installed in the global assembly cache (GAC).

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• Performing a complete installation of Microsoft Office where .NET Framework is already installed. OR
• Installing the redistributable Primary Interop Assemblies package, available from the Microsoft Download Center for the version of Microsoft Office you are running, where .NET Framework is already installed.

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