1 File - Unix Section 1 Manual Page - What is .1 file and how to open it?

DVD File Format - DOS Device Driver

PAT File Format - DiskStation Manager Installation File

CPI File Format - Codepage Information File

CAT File Format - Windows Catalog File

DESKTHEMEPACK File Format - Windows 10 Desktop Theme Pack File

HTT File Format - Hypertext Template

ANI File Format - Windows Animated Cursor

ICNS File Format - macOS Icon Resource

MANIFEST File Format - Windows Application Manifest File

REG File Format - Windows Registry File

REGTRANS-MS File Format - Registry Transaction Log File

RMT File - Router Firmware File Format

SHSH2 File - iOS SHSH Blob File Format

ADM File - Administrative Template File Format

ADMX File - Group Policy Administrative Template File Format

CPG File Format - ESRI Code Page File

HDMP File - Windows Heap Dump File Format

MDMP File - Windows Minidump File Format

AML File - ACPI Machine Language File

ETL Files - Microsoft Event Trace Log File

ASV File - Adobe Photoshop Selective Color File

INS - Internet Settings File

LNK - Link File Format

TMP - Temporary File Format

SCR - Windows Screensaver File

DRV - Windows Device Driver

SYS - System File Format

DMP - MemoryDump File Format

INI - Initiation File Format

CAB - Windows Cabinet File

CFG - File Format

CPL - Control Panel File

DLL - Dynamic Link Library