To export an Outlook calendar
1. Open your Outlook calendar, and then, from the File menu, choose Import and Export.
2. On the first screen of the Import and Export Wizard, select Export to a file, and click Next.
3. For Create a file of type, select Comma Separated Values (Windows), and then click Next.
4. For Select folder to export from, select Calendar, and then click Next.
5. Follow the instructions on the remaining wizard screens to create the .csv file.
To Import an Outlook calendar from the File menu, choose Import and Export.
2.On the first screen of the Import and Export Wizard, select Import from another program or file, and click Next.
3. For file of type, select Comma Separated Values (Windows), and then click Next.
4. Browse to file location, select options, and then click Next.
5. Select Calendar to import to and click Next.
6. If you have any custom fields in either calendar click Map Custom Fields and specify mapping, otherwise click Finish.
