Letter Y: Data Formats & File Extensions

Find data file formats and file extensions that start with the letter Y, or view thousands of file extensions and file formats in the complete list.

With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

Number Symbol A B C D E F G H I J K
L M N O P Q R S T U V W X Y Z Full List

Data File Formats that Begin with the Letter ‘Y’

.y Yacc grammar file
Compressed Amiga file archive created by YABBA
.y01 Secondary index (Paradox)
.y02 Secondary index (Paradox)
.y03 Secondary index (Paradox)
.y04 Secondary index (Paradox)
.y05 Secondary index (Paradox)
.y06 Secondary index (Paradox)
.y07 Secondary index (Paradox)
.y08 Secondary index (Paradox)
.y09 Secondary index (Paradox)
.yab Yabasic Source Code file
.yal Data (Arts & Letters)
.ybk Microsoft Encarta Yearbook file
.ychat Yahoo! Messenger chat log
.yenc yEnc file
.ymg Yahoo! Messenger file
.yml YAML file
.ync yEnc Encoded file
.yps Yahoo! Messenger Data file
.yuv YUV Encoded Image or Video file
.yz Compressed file archive created by YAC
.yz1 Yamazaki ZIPPER file

Recommended Reading: An Introduction to Data File Formats and Their File Extensions

Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List

This article was last updated on April 22, 2012

Webopedia Staff
Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.

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