file extensions

When navigating the digital world, especially within the Windows ecosystem, it's easy to take for granted the many default settings designed to simplify the user experience. Yet, behind Windows’ clean and uncluttered File Explorer interface lies a subtle, yet significant, risk: by default, file...

File name extensions are among the most foundational concepts in computing—and for Windows users, understanding them is essential for both security and day-to-day productivity. While it may seem trivial, the three or four characters following a period at the end of a file name can potentially...

File name extensions play a crucial role in the world of Windows computing, acting as a digital shorthand that tells both users and the operating system what kind of data a file contains and how it should be handled. While these little period-separated letter clusters, like .docx or .jpg, often...

Windows 11 has firmly secured its position as the most widely used desktop operating system, finally overtaking its predecessor, Windows 10. While the operating system boasts a refreshed design, enhanced security features, and a modern user interface, its growing dominance has been accompanied...

A new and deeply concerning vulnerability known as the FileFix attack has surfaced, exposing a blind spot in Windows’ security posture that could have serious consequences for ordinary users and enterprises alike. Leveraging nuances in how Windows handles local HTML applications and the Mark of...

Windows keeps evolving, and if you think you’ve seen it all, think again. Beneath the familiar desktop and Start menu lies a trove of under-the-radar features that can truly transform your computing experience. While many users rely on the basics, there’s a suite of hidden gems in Windows 10 and...

Windows 11 is, by almost any measure, a modern, visually appealing, and highly capable operating system. Microsoft’s latest flagship OS brings a fresh look, smarter features, and a swath of quality-of-life improvements with each update. Yet for all its polish and promise, longtime users and new...

With every fresh Windows 11 installation, users are greeted not only by the familiar and modernized interface but also by a sense of untapped potential—features lurking just beneath the surface, waiting to be enabled. For newcomers and power users alike, the default Windows environment can feel...

Windows 11 is designed with a modern, streamlined user experience in mind, but a number of its hidden features remain dormant by default. While this approach may simplify setup for new users, it often falls short of meeting the needs of power users, system administrators, and anyone keen on...

Hello, I am using Windows 11, and I have the old Windows Media Player legacy. I created a huge playlist of perhaps 1,000 songs. The playlist worked well. Days later, now the playlist never works, an error says it cannot find the original songs in the playlist. To view the code of the playlist...

In today’s digital age, understanding how to manage files is critical for both productivity and organization. This is especially true when using operating systems such as Windows 11, where file extensions play a significant role in how files are identified and opened. If you've ever encountered...

After some re-configurations/installations files for some file extensions do not show the file icons of their corresponding programs any more in Windows Explorer. E.g. *.html file icons show not the Firefox thumbnails. How can I "refresh" the icon look again? Peter

Hi Recently I created a new program thinking it was an additional one. It wiped a lot of my original program files, some of which I reloaded from disk, but a number which I couldn’t. Today I ran a program called “Glary utilities” which analyses the system. In “disk space analyser” there are 2...

I'm having to create a set of batch files for a class. My instructor is no help. I have included the assignment. Is there anyone out there who can help me? 1. Create a batch file called DD.BAT. This batch file should display the files on the root of the HOMEWORK drive in date order with the...

Assume I run a program from USB flash drive or network drive. It is not installed on the local Win 7 computer but it works. Hence when I go to menu START--->Control Panel--->Programs--->Default programs this program is NOT listed there as a possible application. So it cannot be defined as a...

I have a Lenovo G40-45 PC . It had a preloaded windows 10 . I had only 2 GB RAM and The device was lagging . So , i decided to Reset PC and backed up all the data in my external hard disk as .dsi , .wsi or files with numbers as extension . Later i ended up loading a new windows 7 , hoping that...

Hi Guys, Something is corrupting files on my computer by putting some random names to files and changing it to (.b8b0) file format, There are several files like this on my system. Most of the affected files have the following extensions: .b8b0 .doc, .mp3, .jpeg, etc. I am not sure what is that...

Hello, today I installed a trial of a voice changer and deinstalled it after a while. However since that moment, I have bugged icons for some filextenstions. Till yet I found out, it is mkv and rar. I tried do delete the Iconcache.db, but this doesn't solved the problem. Any other solutions?

For some unknown reason, my image file associations in Windows Explorer keep getting undone, such that they show up in Explorer without an associated application (or occasionally with a wrong association). For example, when I examine the properties of any .jpg file, the "Open With:" property...

I have a question about running "executable" programs in Windows without having to type the extension. I've recently learned that, in addition to the command prompt and run box, you can also run executable files (.exe, .bat, .lnk, .vbs) from the Windows Explorer address bar. The only problem...