Opening RTT Files

The RTT file type is primarily associated with Hex Editor / JMAG-Designer.

RTTFile Extension RTT
File extension: RTT
File type:  Disk image file

What is an RTT file

RTT files mostly belong to Hex Editor / JMAG-Designer. RTT files come in two distinct forms that serve different functions.

  • Boot Sector Image: This RTT file type holds an image of an MS-DOS boot sector. It is also known as a ROM Transfer Tool image that contains the low‐level boot record data. Such files are used in disk imaging and recovery tasks. For a detailed technical explanation, visit MS-DOS Boot Sector.
  • JMAG Result File: In another use, RTT files are generated by JMAG-Designer to record electromagnetic simulation results. These are often called JMAG-RT result files and house simulation output data that require specialized processing. More information is available on the JMAG-Designer webpage.

FilExt.com tip: Examine your RTT file to decide which use case applies. Always back up the file before attempting any changes, and use the appropriate tool—a hex editor or disk imaging program for boot sector images, and JMAG-Designer for simulation result files.

How can I open an RTT file?

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

Online RTT Text Viewer

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Programs that open and convert RTT files:

  1. Hex Editor / JMAG-Designer
    See the previous paragraphs to learn more about the main application. RTT files are often referred to as Hex Editor / JMAG-Designer disk images because this type of file is primarily created or used by this software.
  2. RagTime (Stationery Pad) by RagTime GmbH
    RagTime is professional business publishing software.

Technical Data for RTT File Extension

File classification:
Disk Image
Related files:

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: RTT Table
EXEFile: %ProgramFiles%\DXPC25~1\DXPC.exe


an rtt Disk image file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with RTT files

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