Opening BY Files

The BY file type is primarily associated with Spice Pspice File.

BYFile Extension BY
File extension: BY
File type:  Spice Pspice files

What is a BY file?

BY files mostly belong to Spice Pspice File. Use our "Online BY Text Viewer" below to analyze your BY file and to see all text it contains.

How to open a BY file

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

Online BY Text Viewer

Choose your .by file to analyze

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Trouble Opening a .BY File? These Steps Will Help

Since .BY files come from different programs, they aren't universally openable.

  1. Identify the Source: Files from electrical engineers are often Spice PSpice circuit simulations, while web downloads might be generic data.
  2. Check the Header: Inspect the first bytes in a text or hex editor:
    • Plain text or circuit nodes suggest a PSpice file.
    • "PK" indicates a standard ZIP archive.
    • Readable XML/JSON implies structured web data.
  3. Use the Original Software: The original program is usually required; try Cadence PSpice or a standard text editor, or ask the sender if unsure.
  4. Use this Webpage: Drag and drop the file into our viewer to detect its format, extract readable metadata, and preview contents when possible.

Technical Data for BY File Extension

Related files:
bys, bya, mp3, py, zip, mp4, cir, prb, st0

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: Photoshop.PlugIn
EXEFile: %ProgramFiles%\Adobe\Photoshop 7.0\Photoshop.exe

ProgramID: Photoshop.PlugIn
EXEFile: %ProgramFiles%\Adobe\Photoshop CS\Photoshop.exe


a by Spice Pspice file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with BY files

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