File Extension Database

Open IUP File

IUP file extension is a type of software update file used by Fritz, an online chess game program.

Fritz is a program developed in Germany, originally for Chessbase and based on Quest, ported to DOS and later to Windows.

Starting with version 13, the original engine was replaced first by Gyula Horvath's Pandix, and later with the Fritz 15, Vasik Rajlich's Rybka engine was used.

The IUP file contains data that updates the software from one version to another, which is usually automatically downloaded when there is a new software update.

If the Fritz software does not update automatically, users can manually apply the update by downloading the IUP file, locating it within the Fritz installation directory, and running the IUPgrade.exe program, which is included with the software package.

Software to open and work with a CUI file

IUP files are binary files and should not be manually attempted to be opened by the user, instead the updater should be used

Fritz Upgrade

How Can I Open IUP File on Windows

We researched and learned that the best way to open IUP file is to find a IUP file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a IUP 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 IUP 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 IUP file opener then try to search online for "IUP viewer", "application to open IUP file" or "open IUP file" queries in the search engine you like.
Install the application you found and check if it can open IUP file

How Can I Open IUP File on Mac OS

We recommend to find a IUP file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a IUP 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 IUP file.
If you know the Mac OS application which can work as IUP file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open IUP file in it.
If you don't know the application which can open IUP file then try to search for "IUP viewer", "application to open IUP file" or "read IUP file" queries in the online search engine you like.
Install the application you found and check if it can read IUP file

How Can I Open IUP File on Android

If you downloaded a IUP 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 IUP 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 "IUP".
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 "IUP viewer", "IUP 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 IUP File on iPhone or iPad

To open IUP 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 IUP 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 "IUP". This way you can find apps which can open IUP 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 "IUP viewer" or "IUP file" online in your favorite search engine.

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