Top "Vsto" questions

Visual Studio Tools for Office (VSTO) is a set of development tools for creating Office automation solutions (add-in or document customization), using .NET and the Visual Studio IDE.

How do I create a real-time Excel automation add-in in C# using RtdServer?

I was tasked with writing a real-time Excel automation add-in in C# using RtdServer for work. I relied heavily on …

c# vsto excel-addins rtd excel-udf
How can I create a (VSTO) Office 2007 add-in using VS 2012?

Visual Studio 2012 does not appear to support Office 2007 (it only has project templates for Office 2010). If I want to create …

visual-studio vsto visual-studio-2012 office-2007
custom ribbon not appearing in outlook when when running a build in vs

I followed this tutorial, but when I build then run my project in visual studio a ribbon tab does not …

outlook vsto add-in ribbon outlook-addin
Detecting a password-protected document

Is there any way to know whether a doc/ppt/xls file is password-protected even before opening the file?

c# .net vsto office-interop
Excel Add In's Custom Ribbon Tab Will Not Display

I've created an application level add-in for Excel to automate some tasks. I used the VS2012 template Visual C# > …

c# excel vsto add-in ribbon
How to know if a cell has an error in the formula in C#

In an Excel formula you can use =ISERR(A1) or =ISERROR(A1) In a VBA macro you can use IsError(…

c# excel vsto
Convert Number to Corresponding Excel Column

I need some help in doing a logic that would convert a numeric value to corresponding MS Excel header value. …

excel vsto numbers letter
Set custom document properties with Word interop

I want to set some custom document properties of a word document I'm creating in my C# code. To do …

interop ms-word vsto office-2010 office-addins
VSTO Tools: Office 2010 to 2013 upgrade

I'm working on a VSTO tools project for Excel. I'm now in the process of upgrading my machine. My "old" …

c# visual-studio-2012 vsto
ClickOnce VSTO solution signed with mage.exe - certificate not trusted error

I'm trying to deploy a VSTO solution, which are 2 addins for Word and for Outlook, using ClickOnce. Due to our …

deployment certificate vsto clickonce mage