What is the file extension of a windows folder

Best Smartwatches. Best Gaming Laptops. Best Smart Displays. Best Home Security Systems. Best External Solid State Drives. Best Portable Chargers. Best Phone Chargers. Best Wi-Fi Range Extenders. Best Oculus Quest 2 Accessories. Best iPad Air Cases. Awesome PC Accessories. Best Linux Laptops. Best Wireless iPhone Earbuds. Best Bluetooth Trackers.

Best eReaders. Best VPN. Browse All News Articles. Windows 11 Uninstall Clock. Teams Walkie-Talkie. PCI Express 6. Wordle Scams. T-Mobile iCloud Private Relay.

Avira Antivirus Crypto Miner. Linux PinePhone Pro. Google Green Messages. Use Your iPhone as a Webcam. AIFF or. AU Basic Audio. BAT PC batch file. CLASS or. JAVA Java files. CVS Canvas. DIF Data Interchange format. DOC or. FM3 Filemaker Pro databases the numbers following represent the version. HTM or. HTML Web page source text. MAC MacPaint.

MAP Web page imagemap. MID or. MOV or. MTB or. MTW MiniTab. PDF Acrobat -Portable document format. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

Learn more. What is the extension of a folder in Windows? Ask Question. Asked 9 years, 10 months ago. Active 3 years, 7 months ago. Viewed 83k times. Improve this question.

Jens Erat Serious Serious 1, 4 4 gold badges 23 23 silver badges 29 29 bronze badges. The file name extension denotes a file type. A folder is not a type of file, it's a folder. One would surely think it'd be mentioned somewhere on the internet if it did. Add a comment. Active Oldest Votes. Improve this answer. Captain Man 12 12 bronze badges. Mallik Mallik 2 2 silver badges 7 7 bronze badges. So you are saying there a type flag in file system that specifies whether a file is a normal file or folder?

The linux maintains a flag to differentiate between a regular file, a directory file, a character device file, a block device file, etc Windows also should be maintaining something similar Pretty much all file systems keep such an attribute.

On the other hand, VMS which could, in a way, be considered a parent of Windows NT does have a special extension for directories DIR -- and they can be managed very similarly to files; doing dir [.

On Linux, converting a directory to a file cannot be done without resorting to debugfs or similar tools, and is damn near impossible on Windows NTFS. Some BSDs do still allow cat 'ing directories, though. Disclaimer: Original research using debugfs and ntfsinfo. No guarantee of accuracy. Show 1 more comment.

Geoff Duke Geoff Duke 2 2 silver badges 5 5 bronze badges. The name can consist of any valid characters and that includes ". ChrisF ChrisF Altering the behavior requires editing the registry, as far as a I know. Be sure to hide all don't forget that it's your system folders and extension after doing so