To share a mailbox folder in Outlook, please follow these steps:
- Open Microsoft Outlook on your computer.
- Right-click on the mailbox folder you want to share and select "Properties".
- Click on the "Permissions" tab.
- Click on the "Add" button to add a user or group that you want to share the folder with.
- Type the name of the user or group in the "Add Users" box and click "OK".
- Select the user or group you just added and set the appropriate permissions (e.g. "Reviewer", "Editor", "Owner", etc.) using the drop-down list.
- Click "OK" to close the properties window.
Note: You can also grant permissions to a mailbox folder from the "Folder" tab in the Outlook ribbon. Just select the folder you want to share, click on "Folder Permissions", and follow steps 4-6 above.