When you open certain file types in Windows 7 or Vista, such as an Outlook email attachment, Windows displays a warning message about opening a file from an untrusted source. If you trust the sender ...

Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11. When you purchase through links on our site, we may earn an affiliate ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

Do you need to change a file type? Here are a few ways to do this on Windows 11. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Windows 11, ...

Every day, we come across different types of file extensions while working on a computer. The file extensions tell an operating system about the type of file so that the OS could select the right app ...

When you download files onto your iPhone, you can usually find them in the app that's meant to open them, or save your ...

One of the banes of modern working life comes about when trying to collaborate remotely with colleagues using different software. Mac users pick up a spreadsheet, presentation deck or word-processing ...

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

Windows programs have unique "Process IDs." Windows identifies all processes using this ID. Microsoft Winform developers often need to allow users to open files such as Word documents, images and even ...

Although .dmg is a macOS disk format, there are a number reasons of why you'd want open them on Windows computers. Here's how to get started. The .dmg (Disk Image) suffix is associated with Apple's ...