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Common file name extensions in Windows ExtensionFormatdocmMicrosoft Word macro-enabled documentdocxMicrosoft Word documentdotMicrosoft Word template before Word 2007dotxMicrosoft Word template91 more rows

How to create a file without Extension in Windows 11/10 - YouTube YouTube Start of suggested clip End of suggested clip Simply entering the file name in double quotes will make sure that it does not carry an extension iMoreSimply entering the file name in double quotes will make sure that it does not carry an extension i click on save.

The extension is a three- or four-letter abbreviation that signifies the file type. For example, in letter. docx the filename is letter and the extension is docx. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file.

A file extension is just the portion of the file name after the last period. The file extension is . txt which typically indicates that the file contains text data. To create your own file extension all you need to do is to place the desired extension after the last period in the filename.

Windows 10. Windows file names have two parts separated by a period: first, the file name, and second, a three- or four-character extension that defines the file type. In expenses. xlsx, for example, the first part of the file name is expenses and the extension is xlsx.

How to change a file extension Click the file to select it, then click once more. Windows automatically selects the filename so that anything you type will replace the existing name. Click and drag over the extension, type the new extension and press Enter.

Don't start or end your filename with a space, period, hyphen, or underline. Keep your filenames to a reasonable length and be sure they are under 31 characters. Most operating systems are case sensitive; always use lowercase. Avoid using spaces and underscores; use a hyphen instead.

Examples of file extensions A JPEG uses the . jpg or . jpeg extension (for example, image.A Word document uses the . docx extension, or . doc for older versions (for example, CoverLetter.An MP3 audio file uses the . mp3 extension (for example, rhymerap. mp3). An Excel spreadsheet uses the . xlsx extension, or .

Right-click the File Type Associations node, and select New Association from the pop-up menu. Complete the first step of the dialog box by completing the following information, and then click Next: Extension?Enter a new file name extension. This field is blank by default.

Common file name extensions in Windows ExtensionFormatdocxMicrosoft Word documentdotMicrosoft Word template before Word 2007dotxMicrosoft Word templateemlEmail file created by Outlook Express, Windows Live Mail, and other programs91 more rows