2 votes
IUP File - What is a .iup file and how do I open it?
Learn about .IUP files and view a list of programs that open them.
Sprachen
Überblick
What is a IUP file? An IUP file is a software update file used by ChessBase Fritz, a chess program that allows users to play against AI opponents or online players. It contains update information Fritz downloads and automatically applies when a new version is available to upgrade the game from one version to another.
More Information ChessBase released Fritz in the early 1990s, and it has since become a popular option for both casual players and professional chess enthusiasts. Most users will not encounter IUP files since the software automatically opens them to update.
Document Icon
Brotkrümel
DeveloperChessBase
Popularity1.5 | 2 Votes
Previous / Next
In-Depth
.IUP File Extension
Fritz Update File
| Developer | ChessBase |
| Popularity |
1.5 | 2 Votes |
What is a IUP file?
An IUP file is a software update file used by ChessBase Fritz, a chess program that allows users to play against AI opponents or online players. It contains update information Fritz downloads and automatically applies when a new version is available to upgrade the game from one version to another.
More Information
ChessBase released Fritz in the early 1990s, and it has since become a popular option for both casual players and professional chess enthusiasts. Most users will not encounter IUP files since the software automatically opens them to update.
How to open a IUP file
While ChessBase Fritz typically opens IUP files automatically to update the software, if the update process does not work, users can manually update the game using the IUP file. To do this, the user must download the IUP file, place it in the Fritz installation directory, and then run the included IUPgrade.exe tool. This process applies the update so the software runs the latest version with improvements or bug fixes provided by the developer.
Open over 400 file formats with File Viewer Plus . Free Download
Programs that open or reference IUP files
Sort
Pricing
Program Name
Platform
Reset
X
Windows
ChessBase Fritz
Paid
Category: Data Files
Updated: January 15, 2025