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Data Formats and File Extensions: Y

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'

.yYacc grammar file
Compressed Amiga file archive created by YABBA
.y01Secondary index (Paradox)
.y02Secondary index (Paradox)
.y03Secondary index (Paradox)
.y04Secondary index (Paradox)
.y05Secondary index (Paradox)
.y06Secondary index (Paradox)
.y07Secondary index (Paradox)
.y08Secondary index (Paradox)
.y09Secondary index (Paradox)
.yabYabasic Source Code file
.yalData (Arts & Letters)
.ybkMicrosoft Encarta Yearbook file
.ychatYahoo! Messenger chat log
.yencyEnc file
.ymgYahoo! Messenger file
.ymlYAML file
.yncyEnc Encoded file
.ypsYahoo! Messenger Data file
.yuvYUV Encoded Image or Video file
.yzCompressed file archive created by YAC
.yz1Yamazaki 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


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