The Database files of every KOFF account are separated. Every MAPI profile can contain configurations of one or more MAPI services. Configurations of MAPI services are saved in MAPI profiles. KOFF MAPI provider doesn't contain an address book provider - it uses services of Outlook address book, the default address book implemented by Outlook itself. KOFF MAPI Service only consists of the message store provider and transport provider. An address book provider implements an address book. Transport provider sends outgoing and delivers ingoing messages. Message store provider provides access to messaging objects - folders and various messages. There are three MAPI providers: message store, transport, and address book. Leverages HTTP and a protocol based on WebDAV for synchronisation.

This block is responsible for seamless data synchronisation between KOFF, Kerio Connect, and other data transfers.

Synchronization and Communication Provider.

It's used for sending and receiving messages.

This part implements the MAPI interfaces required for the MAPI transport provider.

It provides mainly folder and message manipulation. Outlook (through MAPI interfaces) communicates mainly with this provider.

This part implements the MAPI interfaces required for the MAPI message store provider.

It uses an embedded SQL database server as the main data storage.

The Application Server is the backend for data storage and notifications about data changes between other parts of KOFF.

It consists of an embedded firebird database server and application server with all business logic for the storage and retrieval schema.

This piece serves as a data back-end for the rest of KOFF.

Below you can review a high-level overview of each and the part they play towards KOC/KOFF functionality. Kerio Outlook Connector is built with a handful of main logical blocks.

Mailbox Size and Synchronization Speeds.

The Offline Edition (KOFF) is the most commonly used as it allows offline editing and synchronizes all changes with Kerio Connect once the connection is restored. Kerio Outlook Connector is a Microsoft Outlook extension that you can use to manage Kerio Connect email, events, contacts, and tasks in Microsoft Outlook for Windows.

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