What Is an app File?
A file with the .APPLICATIONfile extensionis a ClickOnce deployment manifest file.
It provides a way to launch Windows applications from a web page with just one click.
Files with this extension are seen alongside APPREF-MS files, which are Microsoft app reference files.
These have nothing to do with the utility extension.
How to Open an system File
system files areXML-based,text-only files.
This means Microsoft’sVisual Studioor even a basic text editor should be able to properly read the file.
There are severalfree text editorsthat will do the job nicely.
.NET Frameworkis required to actually run tool files.
ClickOnceis a Microsoft systemthey have more information about this punch in of file through that link.
Technically, the Microsoft ClickOnce software Deployment Support Library is the name of the program that opens software files.
It’s likely that ClickOnce will only open if theURLis accessed throughMicrosoft’s Edge internet tool.
Of course, XML editors can do so, too.
