RFC 2445 · PROPOSED STANDARD · 1998
SUN · 14 JUN 2026
Internet Calendaring and Scheduling Core Object Specification
Overview
RFC 2445, “Internet Calendaring and Scheduling Core Object Specification”, is a Proposed Standard document published in November 1998 by F. Dawson, D. Stenerson. It has been obsoleted by RFC 5545 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo has been defined to provide the definition of a common format for openly exchanging calendaring and scheduling information across the Internet. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 2445 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1998
- RFC 2444 The One-Time-Password SASL Mechanism
- RFC 2446 iCalendar Transport-Independent Interoperability Protocol Scheduling Events, BusyTime, To-dos and Journal Entries
- RFC 2443 A Distributed MARS Service Using SCSP
- RFC 2447 iCalendar Message-Based Interoperability Protocol
- RFC 2442 The Batch SMTP Media Type
- RFC 2448 AT&T's Error Resilient Video Transmission Technique
- RFC 2441 Working with Jon, Tribute delivered at UCLA, October 30, 1998
- RFC 2449 POP3 Extension Mechanism