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/Upgrade (devenv.exe)

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Note

This article applies to Visual Studio 2015. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

Updates the solution file and all of its project files, or the project file specified, to the current Visual Studio formats for these files.

Syntax

devenv SolutionFile | ProjectFile /upgrade

Arguments

SolutionFile Required if you are upgrading an entire solution and its projects. The path and name of a solution file. You can enter just the name of the solution file, or a full path and the name of the solution file. If the folder or file named does not yet exist, it will be created.

ProjectFile Required if you are upgrading a single project. The path and name of a project file within the solution. You can enter just the name of the project file, or a full path and the name of the project file. If the folder or file named does not yet exist, it will be created.

Remarks

Backups are automatically created and copied to a directory named Backup that is created in the current directory.

Source-controlled solutions or projects must be checked out before they can be upgraded.

Using the /upgrade switch does not start Visual Studio. Results of the upgrade can be seen in the Upgrade Report for the development language of the solution or project. No error or usage info is returned. For more information on upgrading projects in Visual Studio, see How to: Troubleshoot Unsuccessful Visual Studio Project Upgrades.

Example

This example upgrades a solution file named "MyProject.sln" in your default folder for Visual Studio solutions.

devenv "MyProject.sln" /upgrade

See Also

How to: Troubleshoot Unsuccessful Visual Studio Project Upgrades Devenv Command Line Switches