To add your iCloud calendar to your Outlook calendar manually, follow these steps:
Challenges associated with this manual method include potential syncing issues, especially if there are frequent updates or changes to the iCloud calendar. Additionally, it might not offer seamless integration with Outlook's features, such as reminders or notifications.
Alternatively, using a specialized tool like Cigati iCloud Backup Tool can simplify this process. With its intuitive interface, the tool allows you to effortlessly backup and merge iCloud data, including calendars, with your Outlook account. It ensures data integrity and minimizes the risk of errors or discrepancies during the transfer process.