File Extension Library


.VSIXMANIFEST File Extension

  • Developer by: Microsoft
  • Category: Developer Files
  • Format: XML

What are .VSIXMANIFEST files and how to open them?

Can't open .VSIXMANIFEST file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .VSIXMANIFEST file.

What is a .VSIXMANIFEST file extension?

.VSIXMANIFEST file extension is created by Microsoft. .VSIXMANIFEST has been classified as Developer Files. The format of .VSIXMANIFEST file is XML.

.VSIXMANIFEST is VSIX Manifest

File created by Microsoft Visual Studio, a SDK for the Windows system; contains metadata about the .VSIX file it resides in.

The Extension Manager in Visual Studio uses the data contained in the VSIXMANIFEST file to install the VSIX file on your machine.

The VSIXMANIFEST data appears in the following format:

<?xml version="1.0" encoding="utf-8"?>
<PackageManifest Version="1.0">
  <Metadata>...</Metadata>
  <InstallationTargets>...</InstallationTargets>
  <Dependencies>... </Dependencies>
  <Assets>... </Assets>
</PackageManifest>

NOTE: When using project templates in Visual Studio, the manifest is named source.extension.vsixmanifest but then appears as extension.vsixmanifest when built and residing in the VSIX file.

List of all softwares that can open the VSIX Manifest
Windows
Microsoft Visual Studio 2017

How to fix problems with .VSIXMANIFEST files

  1. You need to update the application that you normally use to open .VSIXMANIFEST files. Only the latest version of the software supports the current .VSIXMANIFEST file format
  2. You need to check the .VSIXMANIFEST file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)