How to open a file? Specific file formats

Each of us has at least once encountered a situation when a file on a computer, smartphone or tablet simply refuses to open. The culprit is a specific file format that the system cannot work with. And the question often arises – how to open the file? Especially when it comes to specific formats. To figure out how to open a mysterious file and how to handle it correctly, we have collected useful information for you.

Queries for opening files of different formats

The most popular user queries on the Internet look like this:

• “How to open a file [extension]?” (e.g. PDF, BIN, RAR, or MKV).
• “How do I convert a [format 1] file to [format 2]?” (e.g. PDF to DOCX or MP4 to MP3).
• “Why won’t I open my file?”
• “A program to work with [extension] files”.

People are not only looking for ways to open a file, but also solutions to fix errors, verify signatures, or convert it to a more convenient format.

How to open a file? Questions and Answers

1. Why won’t the file open?

• You may not have a program that supports this format.
• The file is corrupted or downloaded incorrectly.
• The file is intended for a different platform (for example, macOS instead of Windows).

2. Can I open the file without downloading programs?

• Yes, there are online tools for many formats. For example, Google Docs for documents or online converters for images.

3. Do I need to convert the format?

• Not always. It is often easier to find a program that supports the original format.

Specific formats and conversion options

Some formats require a special approach. Here are some examples:

BIN (Binary File)

• Purpose: is often used to store disk images, firmware or other data.
• Solutions:

• • For disk images: DAEMON Tools, PowerISO.
  • For firmware: utilities from the device manufacturer.
  • Conversion: conversion to ISO using special programs.

SIG (Signature File)

We talked about the SIG format earlier here: What application to open files with the SIG extension

• Purpose: digital signature file for authentication.
• Solutions:

• • Verification: Adobe Acrobat (if the signature is associated with PDF), OpenSSL.
  • Working with SIG files in government and corporate systems.

MKV (Matroska video file)

• Purpose: multimedia container for video and audio.
• Solutions:

• • Opening: VLC Media Player, PotPlayer.
  • Conversion: HandBrake.

Programs for opening and editing

Universal programs:

• VLC Media Player — supports most audio and video formats.
• Adobe Acrobat Reader — for PDF files.
• WinRAR, 7-Zip — for working with archives.
• Notepad++ — a text editor for code and unusual text formats.

Specialized programs:

• GIMP — for working with images, including PSD.
• Blender — for 3D files (e.g. OBJ).
• LibreOffice — an alternative to Microsoft Office for ODT, ODS documents.

Conversion programs

• Online Convert — a simple tool for conversion via a browser.
• HandBrake — for video formats.
• Calibre — converting ePub, MOBI and other e-books.
• CloudConvert — a universal online converter for all file types.

Popular extensions and file types

Office documents:

• DOCX, XLSX, PPTX — open in Microsoft Office or LibreOffice.
• PDF — Adobe Acrobat Reader, Foxit Reader.

Multimedia:

• MP4, MKV, FLAC — VLC Media Player.
• JPG, PNG — standard viewers or GIMP.

Archives:

• ZIP, RAR, 7z — WinRAR, 7-Zip.

Programming:

• JSON, XML — Notepad++, VS Code.

Specific extensions

SIG (Signature File)

• Used for digital signatures.
• Verified via OpenSSL, Adobe Acrobat.

BIN (Binary File)

• Opens DAEMON Tools, PowerISO.

PSD (Adobe Photoshop Document)

• Adobe Photoshop or GIMP is used for editing.

ODT (OpenDocument Text)

• Text document format for LibreOffice or OpenOffice.

Working with files on different platforms

Windows:

• Most programs are available and support popular formats.

macOS:

• Often pre-installed tools for working with PDF, images, and archives.
• Alternative: VLC, The Unarchiver.

Android/iOS:

• Documents: Google Docs, Microsoft Office.
• Video and audio: VLC for mobile devices.
• Archives: RAR, ZArchiver (for Android).

Mysterious files will no longer scare you if you know how to work with them. Choose the right tools and boldly solve problems! If you have questions about a specific format, you can always find a solution or help online.