Are you deploying this to a or across an enterprise network ? Share public link
Windows 11, Windows 10, Windows Server 2016/2019/2022 (64-bit versions)
+--------------------------------------------------------+ | Custom Office Add-in (.NET) | +--------------------------------------------------------+ │ ▼ +--------------------------------------------------------+ | MS Visual Studio 2010 Tools for Office Runtime | | - Manages Security, Deployment, & App Domains | +--------------------------------------------------------+ │ ▼ +--------------------------------------------------------+ | Microsoft Office 64-Bit Application Core | | (Word, Excel, Outlook, PowerPoint) | +--------------------------------------------------------+
Be aware of potential behavioral differences. While many .NET assemblies run identically on both 32-bit and 64-bit CLRs, some may behave differently due to factors like the significantly larger memory address space available to 64-bit processes. Perform rigorous testing of your 64-bit solution in a dedicated 64-bit environment. microsoft visual studio 2010 tools for office runtime -x64-
Required for running solutions in Office 2013, 2016, 2019, 2021, and Office 365 Installation & Troubleshooting
. If you are running 32-bit Office on a 64-bit Windows OS, you still need the 32-bit runtime. Redistributable Package : The setup file, often named vstor_redist.exe , can be downloaded directly from the Official Microsoft Download Center Prerequisites
The Microsoft Visual Studio 2010 Tools for Office Runtime - x64 includes the following key features: Are you deploying this to a or across an enterprise network
Before installing the VSTO 2010 Runtime, ensure your system meets these criteria:
Ensure the deployment manifest certificate is installed into the user's "Trusted Publishers" or "Trusted Root Certification Authorities" certificate store. VSTO vs. Modern Office Add-ins (Web-based Add-ins)
Knowing the correct architecture to install is key. Perform rigorous testing of your 64-bit solution in
In the ecosystem of enterprise software development, bridging the gap between custom applications and productivity suites is crucial. The , often abbreviated as VSTO Runtime, is a vital component for enabling custom add-ins and solutions to run within Microsoft Office applications on 64-bit Windows operating systems.
version specifically enables these customizations to function within 64-bit editions of Microsoft Office applications like Word, Excel, and Outlook Microsoft Learn What is the VSTO Runtime?
Why specify -x64- ? The x64 identifier refers to the of the operating system and the Office suite.
What or behavior are you experiencing?
Essential Guide: Visual Studio 2010 Tools for Office Runtime (x64)
