.APPLICATION File Extension

File Type:
ClickOnce Deployment Manifest File

Having trouble opening .application extension? Don't panic! This page explains what application files are as well as suggests programs you may use to open application files. You can download these programs through this page.

What is an APPLICATION file?

Application file extension has ClickOnce Deployment Manifest file type, developed by Microsoft, which is associated with the "settings files" category.

Used by the ClickOnce framework, the file contains properties of the program deployment, saved in an XML file format. Those include name, description, version, various deployment options, etc. The manifest file may also provide a digital signature.

The .APPLICATION file allows an easily “one-click” access the Windows programs’ deployments. It also corresponds to the .APPREF-MS file, which is responsible for activating ClickOne for an application.

To learn how you can open the given file, read the information below.

application file icon
File Type:
ClickOnce Deployment Manifest File
Settings Files

How to open APPLICATION file?

Double click the application file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .application extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the application extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the application file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open APPLICATION files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the application file as well. Download Universal File Viewer for your OS.

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