| Microsoft National Language Support Format | |
| Microsoft | |
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File with a .NLS extension contains language translation data, enabling conversion between different sets of symbols in Microsoft Windows system. Invalid setting of access rights or deleting NLS files may result in system errors.
NLS files are system files. They are usually located in C:WindowsSystem32 directory.
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 |