When a SharePoint document library is configured to accept both major and minor versions at Check In, this setting allows users to create minor or major versions in libraries.
Default Versioning Behavior
| Applies to: | 7.x Email Manager for Outlook 6.x Contributor Pro, Email Manager for Outlook | 
| MSI Property Name | DEFAULT_VERSIONING_BEHAVIOR | 
| Registry Root Key Priority | HKEY_LOCAL_MACHINE | 
| Registry Key Location | ...\Contributor\EmailManager\ | 
| String Value Name | DefaultVersioningBehavior | 
| Possible Value Data | 1 Subsequent uploads of the same file are versioned 0.3, 0.4, 0.5, etc. 0 Subsequent uploads of the same file are versioned as 3.0, 4.0, 5.0, etc. | 
| Default Value | 0 | 
For details on applying a configuration setting, please refer to the article How to apply a Configuration Setting.
