A CSV (comma-separated values) file is a text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...

To avoid overwriting that file, enter a new descriptive name and click Save. This Mac 911 article is in response to a question submitted by Macworld reader Teresa.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Zip files compress your folders or files and save storage on your computer. They're also easier to send from device to device. Here's how to make one.

To take a screenshot and automatically save it as a file in Windows 8 you can use the new Windows+PrintScreen (+ ) keyboard combination.

Microsoft Word 2016 for Windows has a basic feature that lets you save documents in several different, but common, file formats. Here’s how to use it.