Updating Office Solutions
To update a ClickOnce Office solution, use the Publish Wizard to copy the updated solution to the deployment location. The next time the solution checks for an update, it will find and load the new version automatically. For more information, see How to: Update Deployed Office Solutions.
Applies to: The information in this topic applies to document-level projects and application-level projects for Microsoft Office 2013 and Microsoft Office 2010. For more information, see Features Available by Office Application and Project Type.
The installation path is the location where end users find the deployed solution. You can add or change the installation path after you publish a solution. For more information, see How to: Change the Installation Path of an Office Solution.
Instead of upgrading to a new version, you can go back to a previous version of an Office solution. This is done by changing or replacing the deployment manifest at the installation location. For more information, see How to: Roll Back a ClickOnce Office Solution to an Earlier Version.
You can make changes to deployment properties in an application manifest such as the description or name of the solution as well as the load behavior of an add-in. For more information, see How to: Change Deployment Properties.