This document explains how to export a calendar from outlook desktop client into excel
Current versions of Microsoft Outlook no longer allow calendars to be exported in a format that can be opened in Microsoft Excel. However, with these steps it is possible to view the calendar information in Microsoft Excel. Unfortunately, this will only work for Windows users.
Windows1. Select the calendar you wish to export.
3. Select the range of appointments you would like to transfer by clicking the first one, holding shift and then clicking the last. This will highlight the whole range.
4. Right click and select Copy