YSM-Yamaha-Studio-Manager-Session-File-Yamaha-Corporation
YST-Data-YASRT-Raytracer-scene
YTF-Google-Picasa-file
YTR-I-R-I-S-OCR-Data-I-R-I-S-s-a
YUV-Graphics-file-YUV
YWEMANIFEST-Yahoo-Widget-Manifest-File-Yahoo-Inc
YWF-Yeah-Write-word-processor-file
YWP-yWriter-Project-Spacejock-Software
YXX-Bison-source-code-file
YY-Bison-grammar-file-Bison
YYC-Wave-sapphire-dist-file
YYC-Wave-Sapphire-Distribution-File
YZ1-Compressed-file-archive
YZ1-DeepFreezer-Compressed-Archive-BinaryTechnology
YZ-Compressed-file-archive-YAC
YZL-Deep-Freezer-file
Z00-Casio-WK-Midi-keyboards-audio-file
Z01-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z01-Split-Compressed-Archive-File-Part-1
Z01-WinZip-First-Split-Zip-File
Z01-Z99-Split-WinRAR-Archive
Z02-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z02-Split-Compressed-Archive-File-Part-2
Z02-WinZip-Second-Split-Zip-File
Z03-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z03-Split-Multi-volume-ZIP-compressed-file-archive-part-4
Z03-WinZip-Third-Split-Zip-File
Z04-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z04-Split-Compressed-Archive-File-Part-4
Z04-WinZip-Fourth-Split-Zip-File
Z05-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z05-Split-Compressed-Archive-File-Part-5
Z05-WinZip-Split-Compressed-Archive-WinZip-International-LLC-a-Corel-Company
Z06-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z06-Split-Multi-volume-ZIP-compressed-file-archive-part-7
Z07-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z07-Split-Multi-volume-ZIP-compressed-file-archive-part-8
Z08-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z08-Split-Multi-volume-ZIP-compressed-file-archive-part-9
Z09-Back4Win-Backup-Archive-Alistair-George-Manufacturing
Z09-Split-Multi-volume-ZIP-compressed-file-archive-part-10
Z0-ZoneAlarm-Mailsafe-Renamed-JS-File-Zone-Labs
Z0-Zonealarm-Z0-Mailsafe-file
Z1-Infocom-game-module-for-Z-machine-version-1
Z1-ZoneAlarm-Mailsafe-renamed-VB-file
Z1-Zonealarm-Z1-Mailsafe-file
Z2F-Zoo-Tycoon-2-Game-File-Microsoft-Corporation
Z2F-Zoo-Tycoon-2-Object-File
Z2-Infocom-game-module-for-Z-machine-version-2
Z2S-Zoo-Tycoon-2-save
TechTarget file types