The X

2 files use the extension of GP4

.GP4

CCITT Group 4 Fax File

Classification:raster image file
Fax file saved by various fax programs; contains a generic fax document saved in the CCITT (International Telegraph and Telephone Consultative Committee) standardized Group 4 format, which stores a a 1-bit, or bi-level, image using a lossless compression.

instruction:

The Group 4 encoding format, designed for data networks, replaced the older Group 3 encoding format. It compresses data into much smaller sizes.

GP4(CCITT Group 4 Fax File) related software:

Windows

5 software

发送 E3876 至公众号 IT小技巧 查看软件名称。
.GP4

Guitar Pro 4 Tablature

Classification:Other files
Guitar tabs format used by Guitar Pro 4, a multitrack guitar composition and accompaniment program; may contain guitar, bass, or banjo tabs; saves data in a music notation format that can be opened by Guitar Pro or other open-source guitar notation programs.

GP4(Guitar Pro 4 Tablature) related software:

Windows

3 software

Mac

3 software

Linux

2 software

发送 E3875 至公众号 IT小技巧 查看软件名称。