---
title: kUnicodeUseExternalEncodingFormMask
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.3+]
path: coreservices/1433493-conversion_masks/kunicodeuseexternalencodingformmask
---

# kUnicodeUseExternalEncodingFormMask

## Declaration

```occ
kUnicodeUseExternalEncodingFormMask = 1L << kUnicodeUseExternalEncodingFormBit
```