Windows Photo Gallery user data
File type: Various data file
A pd4 file extension is associated with the Windows Photo Gallery a part for Windows operating system. A pd4 file contains data related to Windows Photo Gallery user.
Found 2 different file type records with the same pd4 filename suffix.
File type category:
Various data file
Date updated: April 19, 2018
The pd4 file extension is related to Windows Photo Gallery, part of Microsoft Windows Vista operating system.
Windows Photo Gallery offers an easier, more intuitive way to view, manage, and refine your photos and home movies. A streamlined process simplifies acquiring and importing images and videos, and new organizational options make it easier to find and enjoy your memories. And you have the flexibility to launch any of your other photo- and video-related applications from directly within Windows Photo Gallery.
The pd4 file stores user data.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software apps that create pd4 files:
Microsoft Windows
Software applications that handle other tasks involving pd4 files:
Microsoft Windows
File type category:
Backup file
Date updated: September 24, 2026
DFSee is a disk analysis, editing, and recovery utility developed by Jan van Wijk. Its PD4 file stores backup data for a disk's partition table and boot sector.
The file is intended for use with DFSee's backup and restore functions. DFSee can use the saved data when recovering or restoring a disk.
This format is associated with the MS-DOS version of DFSee and is a specialized backup format for that software.
Open the PD4 file with DFSee on MS-DOS. Use DFSee's backup or restore functions to inspect the saved partition and boot-sector information or restore it to the appropriate disk.
It is not intended to be opened as a text file or with a general-purpose archive or disk-image program.
PD4 files are DFSee-specific backups and are not generally convertible to ordinary file formats.
Use DFSee to restore the saved partition-table and boot-sector information, or preserve the original file for recovery.
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