Microsoft Visual Studio 2010 Tools For Office Runtime -x64- Link

When we append -x64- to the runtime name, we are referring to the 64-bit native loader and shim. Here is the non-negotiable rule:

The bitness of the VSTO runtime must match the bitness of the Office installation. microsoft visual studio 2010 tools for office runtime -x64-

The x64 version installs the following critical components in %ProgramFiles%\Microsoft Visual Studio 10.0\Visual Studio Tools for Office\PIA\ and registers shell extensions specifically for 64-bit Office processes (e.g., EXCEL.EXE running as a 64-bit process). When we append -x64- to the runtime name,

While the VSTO 2010 runtime is quite old, it continues to work on modern Windows 10/11 and with recent versions of Office (Microsoft 365), provided that: The bitness of the VSTO runtime must match

Microsoft has kept this runtime in extended support, meaning it receives security updates but no new features. If you encounter prompts to install this runtime, it is generally safe, but always ensure you download it from an official source (Microsoft Download Center) or a trusted vendor.

$userVsto = "$env:USERPROFILE\AppData\Local\Apps\2.0" if (Test-Path $userVsto) Write-Host "User VSTO add-ins folder: $userVsto" else Write-Host "No user-installed ClickOnce VSTO add-ins found."