Step 1: Open Microsoft Outlook and click the File tab on the top-left corner.
Step 2: Select the Open & Export option from the menu.
Step 3: Click the Import/Export button.
Step 4: Choose Export to a file option and click Next.
Step 5: Choose the Comma Separated Values option and click Next.
Step 6: Select the Calendar you want to export and click Next.
Step 7: Click the Browse button, fill in the File Name field, select the location of the exported file, and click Next.
Step 8: Click the Finish button.