• By  Faiza Mumtaz    03-Nov-2022 
•   530

If you work with computers, then you know that there are different types of files and documents. Some common file extensions that you may be familiar with are .txt, .doc, .xls, and .pdf. But what other file extensions are there? And what do they mean? In this blog post, we will explore some of the more common file extensions and what they represent.

If you work with computers, then you know that there are different types of files and documents. Some common file extensions that you may be familiar with are .txt, .doc, .xls, and .pdf. But what other file extensions are there? And what do they mean? In this blog post, we will explore some of the more common file extensions and what they represent. We will also touch on some of the less common file extensions and what they are used for. By the end of this post, you should have a better understanding of how to identify different file extensions and what they represent.

So, we decided to list a few examples of file extensions every computer user should know.

Here are some examples of file extensions every computer user should know:

1 .txt - This is a text file extension and is one of the most common file types. Text files can be opened with any text editor or word processor.

2 .doc or docx - These are documented file extensions used by Microsoft Word. DOC files can only be opened with Microsoft Word or compatible word processing software. DOCX files are the newer version of DOC files and can be opened with Microsoft Word or compatible word processing software that supports the Open XML format.

3 .xls or .xlsx - These are spreadsheet file extensions used by Microsoft Excel. XLS files can only be opened with Microsoft Excel or compatible spreadsheet software. XLSX files are the newer version of XLS files and can be opened with Microsoft Excel or compatible spreadsheet software that supports the Open XML format.

4 .ppt or .pptx - These are presentation file extensions used by Microsoft PowerPoint. PPT files can only be opened with Microsoft PowerPoint or compatible presentation software. PPTX files are the newer version of PPT files and can be opened with Microsoft PowerPoint or compatible presentation software that supports the Open XML format.

Extension List

.exe

      This is a Windows executable file. These files are used to run programs on your computer.

.dll

     This is a dynamic link library file. These files contain code that can be used by multiple programs at the same time.

.sys

     This is a system file used by the operating system. These files are critical for the proper functioning of your computer.

.ini 

     This is an initialization file. These files are used to store settings for programs.

.log

      This is a log file. These files contain information about events that have occurred in a program or on your computer.

 The Most Common File Extensions

There are many different file extensions that can be used for documents, but some of the most common are .doc, .docx, .txt, and .pdf. Each of these has a different purpose and can be opened with different programs. For example, .doc files are typically word-processing documents that can be created and edited with Microsoft Word or a similar program. .docx files are a newer version of the .doc format and can also be edited with Microsoft Word or other word processing programs. .txt files are simple text files that can be opened and edited with any text editor, such as Notepad or TextEdit. Finally, pdf files are Portable Document Format files that can be viewed with Adobe Reader or another PDF viewer.

 Some less Common File Extensions

There are many different types of files and documents, and each one has a specific extension. Some of the more common extensions are .doc for Microsoft Word documents, .xls for Microsoft Excel spreadsheets, and .ppt for Microsoft PowerPoint presentations. However, there are also many less common file extensions.

Some less common file extensions include .pages for Apple Pages documents, .numbers for Apple Numbers spreadsheets, and .key for Apple Keynote presentations. There are also numerous file extensions for different programming languages, such as .py for Python files, .rb for Ruby files, and .java for Java files. Additionally, there are many different image file formats, such as .jpg for JPEG images, .png for PNG images, and .gif for GIF images.

While the most common file extensions are typically used for the most popular types of files and documents, there are many other less common file extensions that can be used for a variety of different purposes. So whether you're working with text documents, spreadsheets, presentations, or even code or images, be sure to check the file extension before you open or save any files.

What to do if you find an Unknown File Type?

If you come across a file with an unknown extension, there are a few things you can do to determine what the file is and whether or not it's safe to open.

First, try renaming the file to something else and see if that gives you any clues. If the file doesn't have a name or you can't figure out what it is, you can try opening it in a text editor like Notepad++. This will often give you some indication of what the file contains.

If you're still unsure, you can try searching online for the file extension. This will usually give you some results indicating what the file is and whether or not it's safe to open.

As a last resort, you can always ask someone who is more computer-savvy than you for help in identifying the file. Unknown files can be dangerous, so it's always best to err on the side of caution and avoid opening them if you're not sure what they are.

How can I create my own file extension?

Creating your own file extension is a pretty simple process. First, you'll need to choose a program that you want to use to open the file type. For example, let's say you want to create a new image file type. You would need to choose an image-viewing program like Paint or Photoshop.

Next, you'll need to decide on a three or four-letter extension for your new file type. For our example, we'll use.IMG. Once you have your extension chosen, you'll need to add it to the end of the file name when you save it. So, if you're saving an image called "MyImage," you would save it as "MyImage.IMG."

The last step is to set the new file association in your operating system. On Windows, this can be done by going into the Control Panel and finding the "Default Programs" setting. From there, you can click on "Set Your Default Programs" and select the program you want to use for your new file type. On Mac OS X, you can do this by opening Finder and going to the "Get Info" option for any file with your new extension. Under the "Name & Extension" section, you can change the extension to whatever you like. You may also need to do this for any files that are already saved with your new extension; otherwise, they may not be associated with the correct program.

 

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