How to import .ics in Outlook

On iPhone with ICSKit (recommended)

  1. On iOS, set your Default Calendar to your Outlook calendar (Settings → Calendar → Default Calendar → pick your Outlook calendar).
  2. Save the .ics file into the Files app.
  3. Open ICSKit.
  4. Select the .ics file.
  5. Review and tap Add. Events are added to the Outlook calendar you set as default.

FAQ

Can I import .ics into Outlook on iPhone?

Outlook’s iOS app doesn’t upload .ics files directly. On iPhone, set your Default Calendar to your Outlook calendar, save the .ics to Files, open ICSKit, select the file, and tap Add.