Split .ics files into smaller ones for import into Google Calendar, which only supports files less than 1 MB.
Source File
https://github.com/beorn/icssplit
Command
icssplit “path\ICS.ics” “path\out.ics” –maxsize=50000
Output
INFO:icssplit:parsing C:\Program Files\Python363\ICS.ics and splitting into files of maxsize=50000
INFO:icssplit:parsed 590 events
INFO:icssplit:writing C:\Program Files\Python363\out.ics-0.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-1.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-2.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-3.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-4.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-5.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-6.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-7.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-8.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-9.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-10.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-11.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-12.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-13.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-14.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-15.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-16.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-17.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-18.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-19.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-20.ics
INFO:icssplit:writing C:\Program Files\Python363\out.ics-21.ics
Notes
Installation: setup.py install
NOTE Make sure the ICS file is saved as ANSI.
Export Calendar
- Select the Settings button from the top right of the page.
- Choose Settings when the menu shows.
- Open the Calendars tab.
- At the bottom of the My Calendars section, choose Export calendars to save every calendar to the ICS format.
To export just one calendar from Google Calendar, click or tap on the calendar from this page and then use the Export this calendar link from the bottom of the next page.