A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows ...

We explain what is File Level Backup and why and when you should use File Level Backup. Find out if this backup strategy works for you.

TBL files are used by plenty of applications to store data. To open a .tbl file, follow the solutions provided in our guide.

What Does It Mean When Your File Is Corrupt?. Just about every computer user has encountered a problem opening a program or file. Sometimes a simple reboot will correct this, but corrupted files ...

Learn what is a CDR file and how you can view and edit CDR (CorelDRAW) files on your Windows 11/10 PC using one of these free software.

Dear Lifehacker, I hear people talk about "defragging" their computers all the time as a way to make it faster, but I'm not really sure what that means. What does defragging do and is it something ...

What does files vs. folders actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

A computer worm is a type of malware that, once it infects a machine, can automatically copy and extend itself to connected devices.

A cache is a special storage space for temporary files that makes a device, browser, or app run faster and more efficiently.

An update to Falcon software by the cyber security company CrowdStrike has caused an unprecedented global IT outage. So, what is it exactly?