```
+------------------------------------------+
|                                          |
|        M365 Integration Architecture     |
|                                          |
+------------------------------------------+
                    |
                    v
+------------------------------------------+
|                                          |
|  +----------+    +-----------------+     |
|  | Microsoft|    | Authentication  |     |
|  | Identity |<-->| & Authorization |     |
|  +----------+    +-----------------+     |
|                          |               |
|                          v               |
|  +----------+    +-----------------+     |
|  | Microsoft|    | Graph API       |     |
|  | Graph    |--->| Client          |     |
|  +----------+    +-----------------+     |
|                          |               |
|                          v               |
|                  +-----------------+     |
|                  | OneDrive/       |     |
|  +----------+    | SharePoint      |     |
|  | Teams    |<-->| Integration     |     |
|  | API      |    +-----------------+     |
|  +----------+            |               |
|                          v               |
|  +----------+    +-----------------+     |
|  | Outlook  |<-->| Document        |     |
|  | API      |    | Synchronization |     |
|  +----------+    +-----------------+     |
|                          |               |
|                          v               |
|                  +-----------------+     |
|                  | Semantic Index  |     |
|                  | Integration     |     |
|                  +-----------------+     |
|                          |               |
+------------------------------------------+
                    |
                    v
+------------------------------------------+
|                                          |
|          ByteBrain Document AI           |
|                                          |
+------------------------------------------+
```