| Microsoft Windows Zone Identifier | |
| Microsoft Corporation | |
| Ads |
IDENTIFIER file extension is associated with zone.identifier files used by Microsoft Windows operating system. IDENTIFIER files store information related to the source of files downloaded from the internet.
Metadata stored in IDENTIFIER files allow antivirus tools to determine whether given file contains any malware. This solution is also known as Alternate Data Stream (Zoner Identifier).
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 |