Opening a WCU File

The WCU file type is primarily associated with CueCard.

WCUFile Extension WCU
File extension: WCU
File type:  Saved Flash Cards

What is a WCU file?

WCU files mostly belong to CueCard by Wade Brainerd. CueCard is a simple flash card program. It supports entering a list of questions and answers, and quizzing yourself on them.

How to open a WCU file

You need a suitable software like CueCard to open a WCU file. You need a suitable software like CueCard from Wade Brainerd to open a WCU file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your WCU file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WCU file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WCU Text Viewer

Choose your .wcu file to analyze

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Can't Open Your .WCU File? Try These Steps

Because .WCU files come from different programs, they aren't universally openable.

  1. Identify the Source: A student studying for exams suggests CueCard flashcards; an IT workflow may indicate a proprietary configuration file.
  2. Check the Header: Open the file in a text or hex editor to inspect the first bytes:
    • Readable text or XML suggests plain-text data.
    • "PK" indicates a ZIP archive.
    • Unreadable binary means specific software is required.
  3. Use the Original Software: You usually need the original program; try Wade Brainerd's CueCard, a specialized text editor, or ask the sender.
  4. Use this Webpage: Drag and drop your .WCU file into our viewer to detect its format, extract readable text, and preview contents.

Technical Data for WCU File Extension


The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: CueCard.CardFile
EXEFile: %ProgramFiles%\CueCard\cuecard.exe


a wcu Saved Flash Card is a special file format by Wade Brainerd and should only be edited and saved with the appropriate software.

How to solve problems with WCU files

  • Associate the WCU file extension with the correct application.
  • Update your software that should actually open saved flash cards. Because only the current version supports the latest WCU file format. Search, therefore, e.g. on the Wade Brainerd manufacturer website after an available CueCard update.
  • To make sure that your WCU file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .WCU file online - secure, fast, and no downloads needed.
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