If you enable this setting, then IE Tab will will enable spell checking in text boxes in Windows 8 or greater. This feature is not available in earlier versions of Windows.
If you disable this setting, then IE Tab will not enable spell checking.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\IE Tab\IE Tab |
| Value Name | SpellCheck |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |