If you also want to export your Lotus Notes calendars to an ICS file format, then use the eSoftTools NSF to PST Converter software. It can import Notes calendars into Outlook, Google Calendars, Apple Calendars, and other calendaring systems without any issues or data loss. You can also preview NSF calendar items. This error-free and intelligent system allows calendars to be exported without any data loss. It supports all versions of IBM Lotus Notes. Before investing in it, you can get a free demo version of this tool to see how useful it is.

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