To add Always Available Offline to Context Menu in Windows 10, do the following:

 To add Always Available Offline to Context Menu in Windows 10, do the following:

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenuHandlers\{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}]

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\Offline Files]
@="{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}"

[HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\Offline Files]
@="{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}"

To remove Always Available Offline from Context Menu in Windows 10, do the following:

Windows Registry Editor Version 5.00

[-HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenuHandlers\{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}]

[-HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\Offline Files]

[-HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\Offline Files]