updated `integrations/providers/microsoft` (#12177)

Added several missed tools, utilities, toolkits to the `Microsoft` page.

docs/docs/integrations/platforms/microsoft.mdx

@@ -1,6 +1,6 @@
 # Microsoft
 
-All functionality related to Microsoft Azure
+All functionality related to `Microsoft Azure` and other `Microsoft` products.
 
 ## LLM
 ### Azure OpenAI
@@ -161,3 +161,59 @@ See a [usage example](/docs/integrations/retrievers/azure_cognitive_search).
 from langchain.retrievers import AzureCognitiveSearchRetriever
 ```
 
+## Utilities
+
+### Bing Search API
+
+See a [usage example](/docs/integrations/tools/bing_search).
+
+```python
+from langchain.utilities import BingSearchAPIWrapper
+```
+
+## Toolkits
+
+### Azure Cognitive Services
+
+We need to install several python packages.
+
+```bash
+pip install azure-ai-formrecognizer azure-cognitiveservices-speech azure-ai-vision
+```
+
+See a [usage example](/docs/integrations/toolkits/azure_cognitive_services).
+
+```python
+from langchain.agents.agent_toolkits import O365Toolkit
+```
+### Microsoft Office 365 email and calendar
+
+We need to install `O365` python package.
+
+```bash
+pip install O365
+```
+
+
+See a [usage example](/docs/integrations/toolkits/office365).
+
+```python
+from langchain.agents.agent_toolkits import O365Toolkit
+```
+
+### Microsoft Azure PowerBI
+
+We need to install `azure-identity` python package.
+
+```bash
+pip install azure-identity
+```
+
+See a [usage example](/docs/integrations/toolkits/powerbi).
+
+```python
+from langchain.agents.agent_toolkits import PowerBIToolkit
+from langchain.utilities.powerbi import PowerBIDataset
+```
+
+