Opening a WLM File

The WLM file type is primarily associated with CompW.

WLMFile Extension WLM
File extension: WLM
File type:  Bitmap

What is a WLM file?

WLM files mostly belong to CompW. Use our "Online WLM File Viewer" below to open and view your WLM file directly in your browser.

How to open WLM files

You need a suitable software like CompW to open a WLM file. You need a suitable software like CompW to open a WLM 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 WLM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WLM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WLM File Viewer

Choose your .wlm file to view

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How do you convert WLM files to JPG, PDF, HTML, DOC, ...

You can convert WLM files using our online WLM file viewer (powered by Convert.Guru):
  1. To do so, click the "Choose your .wlm file to view" button above.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
  5. Download the converted file.

.WLM File Not Opening? How to Fix It:

Because .WLM files originate from various programs, they aren't universally openable.

  1. Identify the Source: The sender's workflow often reveals the type. Designers use them for CompW Wavelet-Compressed Bitmaps, lab researchers export PerkinElmer UV WinLab Methods, and sysadmins use HP-UX Workload Manager.
  2. Check the Header: Inspecting the file in a hex viewer or text editor helps identify its format:
    • Hex D3 23 indicates a CompW graphic.
    • Hex 1F 8B (GZIP) points to a UV WinLab method.
    • Plain text suggests an HP-UX configuration.
  3. Use the Original Software: Opening the file usually requires specific tools. Try XnView MP for CompW bitmaps or PerkinElmer UV WinLab. Since this extension is ambiguous, ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your .WLM file into our viewer to detect its format, extract readable metadata, and preview contents when possible.

Technical Data for WLM File Extension

File classification:
Graphic
Identifier:
Hex: D3 23 00 00 03 00 00 00 (provided by TrID database)
Related files:
Related links:

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: GraphicsConverterPro.wlm, FileType: CompW, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1


a wlm Bitmap is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with WLM files

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