What columns are needed for CSV to ICS?

A header row with Title and Start is the practical minimum. End, Location, Description, Categories, Recurrence, and UID are optional common columns.

What happens when a row has no title?

The basic converter uses Untitled event for a missing title so the generated VEVENT remains identifiable for review.

Does CSV to ICS send invitations?

No. CalendarFlow creates a local ICS file; it does not send attendee invitations or publish events to a calendar service.

CSV → ICS workflow

Create an ICS Calendar File from CSV Rows

Prepare a comma-separated spreadsheet with event columns, preview the parsed rows, and export a local ICS file. CalendarFlow is useful when your starting data is tabular and your destination expects calendar events.

Open the CSV to ICS converter Need ICS to CSV instead?

Prepare your CSV

Use a header row with Title and Start. Add End, Location, Description, Categories, Recurrence, and UID when those values are available. CalendarFlow expects comma-separated values and supports quoted commas inside a cell.

Title,Start,End,Location,Description Project review,2026-07-15T16:00:00Z,2026-07-15T17:00:00Z,Conference room,Review launch checklist

ISO-like timestamps and UTC values are easier to audit. If you use date-only values, confirm that the destination treats them as all-day events.

How CSV becomes ICS

Choose the CSV file in the working converter.
Confirm the event count and preview the parsed title, start, end, and location values.
Review blank titles, missing end times, date formats, and recurrence text.
Select ICS as the output format and download the generated calendar file.

What the export contains

CalendarFlow creates a VCALENDAR with VEVENT records, SUMMARY, DTSTART, optional DTEND, LOCATION, DESCRIPTION, CATEGORIES, RRULE, UID, and a generated DTSTAMP. It does not send events or contact attendees.

CSV to ICS limitations

Missing titles become “Untitled event”; missing end times remain absent.
Recurrence values are written as text but are not expanded or checked against exception dates.
Named time-zone definitions, attendees, organizers, alarms, reminders, conferencing links, and attachments are not created from the basic columns.
Check that your spreadsheet software has not converted timestamps or stripped leading zeros before exporting.

CalendarFlow overview · Create ICS from CSV guidance · Private calendar converter

CSV to ICS questions

Can I use a spreadsheet saved as CSV?

Yes, as long as it has a header row and is saved as comma-separated CSV. Review the raw date/time values if the spreadsheet application reformatted them.

Will the ICS file invite people?

No. It is a local file containing event records. Sending invitations requires a separate calendar workflow.

How are time zones represented?

UTC timestamps with a Z suffix are retained. Local or named-zone values need review because the basic converter does not generate every VTIMEZONE definition.

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