For an x64 VSTO add-in to function, the target machine requires:
Supports both broad add-ins that load with the application and specific customizations tied to individual documents.
After deploying vstor_redist_x64.exe , perform the following checks:
Despite the "2010" in its name, this remains a critical component for running Office-based solutions built with Visual Studio 2013 and newer versions. For users on 64-bit systems, the x64 version
