OlExchangeConnectionMode Enumeration

Specifies whether the account is connected to an Exchange server and if so, the connection mode.

Namespace:  Microsoft.Office.Interop.Outlook
Assembly:  Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)

public enum OlExchangeConnectionMode

Member nameDescription
olNoExchangeThe account does not use an Exchange server.
olOfflineThe account is not connected to an Exchange server and is in the classic offline mode. This also occurs when the user selects Work Offline from the File menu.
olCachedOfflineThe account is using cached Exchange mode and the user has selected Work Offline from the File menu.
olDisconnectedThe account has a disconnected connection to the Exchange server.
olCachedDisconnectedThe account is using cached Exchange mode with a disconnected connection to the Exchange server.
olCachedConnectedHeadersThe account is using cached Exchange mode on a dial-up or slow connection with the Exchange server, such that only headers are downloaded. Full item bodies and attachments remain on the server. The user can also select this state manually regardless of connection speed.
olCachedConnectedDrizzleThe account is using cached Exchange mode such that headers are downloaded first, followed by the bodies and attachments of full items.
olCachedConnectedFullThe account is using cached Exchange mode on a Local Area Network or a fast connection with the Exchange server. The user can also select this state manually, disabling auto-detect logic and always downloading full items regardless of connection speed.
olOnlineThe account is connected to an Exchange server and is in the classic online mode.
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