File extensions that start with number or symbol

ExtensionDescriptionFile Type
!utBitTorrentMisc Files
000Image Data Recovery FileDisk Image Files
001Norton Ghost Span FileBackup Files
001Multiple Volume Compressed FileArchived Files
003Drive Image 5 Setup FileArchived Files
01Dos Pipe FileDeveloper Files
1Inno Setup Binary FileDeveloper Files
10IBM Voice Type Script FileData Files
2Setup Factory 6.0 setup launcherDeveloper Files
25Salt Lake City Game Music FileAudio Files
2da2 Dimensional Data Array FilesGame Files
3Salt Lake City Game Music FileAudio Files
3dr3DMark Benchmark FileMisc Files
3ds3D Studio Max Mesh File3D Files
3g23GPP2 file formatVideo Files
3gaMobile Telephone Audio FileAudio Files
3gp3GPPVideo Files
6Salt Lake City Music FileGame Files
7z7-Zip File ArchiveArchived Files
8bfPhotoshop Plugin FileMisc Files
8biPhotoshop Plugin FilePlugin Files
_pMalicious Software Removal Tool Temporary FileMisc Files