| Microsoft Windows Boot Configuration Format | |
| Microsoft | |
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BCD is a Microsoft Windows settings file used by system registry. BCD files store configs used when the system boots. BCD file format was introduced in Windows Vista as a replacement for boot.ini file used by NTLDR boot loader.
Windows 7 also uses BCD format. Because BCD files had the tendency to break, Microsoft decided to include a tool for restoring boot config file in its system. The tool is available via command line by typing "bootrec/rebuildbcd".
Windows
| .adm | Administrator Policy Template Format |
| .adml | Microsoft Administrative Language-specific XML Template Format |
| .admx | Microsoft Administrative XML Template Format |
| .aml | Microsoft Assistance Markup Language |
| .ani | Animated Cursor |
| .ann | Microsoft Windows Help Annotation Format |
| .aos | Archos Signed Encrypted Data Format |
| .asec | Google Android Encrypted Application Package Format |