.D88 File Extension

Disk image saved in the Toshiba Pasopia 7 format; can be created from a Teledisk archive (.TD0 file) using the t2d file conversion program; may be opened by eQC-10, an open-source Epson QC-10/QX-10 emulator for Windows.

The D88 file format is an uncompressed floppy disk image format that uses sector sizes of 128, 258, 512, or 1,024 bytes. Each sector header includes markers for track, side, sector, size, number of sectors, and density.