Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .vsto

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .vsto file?
  • Which program can create the .vsto file?
  • Where can you find a description of the .vsto format?
  • What can convert .vsto files to a different format?
  • Which MIME-type is associated with the .vsto extension?
.vsto
Microsoft Visual Studio Tools for Office Add-in .vsto file icon

Microsoft Visual Studio Tools for Office Add-in

VSTO file is a Microsoft Visual Studio Tools for Office Add-in. VSTO is an add-on to Microsoft Visual Studio that enables you to build application-level add-ins for applications in the Microsoft Office system.
Category: Other files
Program name: -
Mime-type: application/x-ms-vsto
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
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Related extensions:
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Other types of files may also use the .vsto file extension. If you have helpful information about .vsto extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

PRO100 3D Interior Design Project
Microsoft DirectX D3D Compiled Vertex Shader
Microsoft Visio Template
Everyone Piano VST Plugin
ParaView VTK HyperOctree Data

The .vsto filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sto (14), vsti (1), vso (1), vto (1), vst (1)

Can't open a .vsto file?

If you want to open a .vsto file on your computer, you just need to have the appropriate program installed. If the .vsto association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.vsto

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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