File Extension Database

Open C2R File

C2R files are commonly associated with Microsoft's Office 365 Click-to-Run (C2R) Service, a Microsoft streaming and virtualization technology that significantly reduces the time that is required to install Office, Project, and Visio. For users accessing Office over a slow connection, this technology can be very beneficial.

Click-To-Run and C2R Files

The C2R file is a core component of the Click-to-Run technology. It's actually a virtualized package which contains Microsoft Office, its updates and licensing informations. The file is utilized when you use the "Streaming" option to install Office.

Click-to-Run utilizes Microsoft's application virtualization and streaming technologies. It's a completely new way to deliver Office to users, and it's designed to be fast, reliable, and efficient. To learn more about how it works, you can visit the Microsoft's Official Documentation.

Opening C2R Files

In normal circumstances users may not need to directly open or interact with C2R files. They are intended to be used by the Office Deployment Tool and the Click-to-Run service in the background. However, these files are hosted on Microsoft's content delivery network (CDN) and usually have the .c2r extension.

C2R File Extraction

In the scenario where you are attempting to view the contents of a C2R file, you might find a tool like 7-zip useful. This software can often read the structure of .C2R packages and extract the contents. However, remember that modifying or directly utilizing these files is not a standard or recommended practice. Find more about 7-zip here.

C2R File Important Information

C2R files are important components of the Office 365 Click-to-Run service. Though they are typically handled in the background, understanding their purpose is useful for anyone who regularly uses Office applications. Remember, it is not required or generally recommended to directly open, edit, or otherwise interact with C2R files. Doing so can introduce unnecessary risks or even break your Office installation.

Frequently associated Windows objects:

MediaCenter.C2R

How Can I Open C2R File on Windows

We researched and learned that the best way to open C2R file is to find a C2R file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a C2R file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open C2R file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as C2R file opener then try to search online for "C2R viewer", "application to open C2R file" or "open C2R file" queries in the search engine you like.
Install the application you found and check if it can open C2R file

How Can I Open C2R File on Mac OS

We recommend to find a C2R file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a C2R file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with C2R file.
If you know the Mac OS application which can work as C2R file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open C2R file in it.
If you don't know the application which can open C2R file then try to search for "C2R viewer", "application to open C2R file" or "read C2R file" queries in the online search engine you like.
Install the application you found and check if it can read C2R file

How Can I Open C2R File on Android

If you downloaded a C2R file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded C2R file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "C2R".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "C2R viewer", "C2R file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open C2R File on iPhone or iPad

To open C2R File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the C2R file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "C2R". This way you can find apps which can open C2R files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "C2R viewer" or "C2R file" online in your favorite search engine.

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