Send calendar invites through Outlook to hundreds of attendees in one click. Each one personal, private, and sent directly from your own Outlook identity. No manual work. No BCC lists.
Trusted by 5,000+ Outlook users sending bulk calendar invites
An Outlook invite is a calendar event sent through Microsoft Outlook or Microsoft 365 that manages everything from meeting links to attendee responses automatically.
An Outlook invite is a calendar event sent through Microsoft Outlook or Microsoft 365 that allows recipients to:
An Outlook calendar invite typically includes:
Invites go from your real Outlook email — not a no-reply address
Every invite is personal — includes the recipient's first name
Attendees never see other attendees' emails (fully private)
Live RSVP dashboard — track accepted, declined, pending
Send event updates in one click if anything changes
Works with Personal, Microsoft 365, and Exchange accounts
Managing large-scale event scheduling through Outlook requires more than just a basic calendar function. Let's Calendar empowers various departments to maintain professional, private, and efficient scheduling workflows directly from their primary inbox.
Send all-hands meetings, town halls, and company-wide events from Outlook to your entire org in one click
Send personalised Outlook calendar invites to every registered attendee — before and after the event
Auto-send Outlook meeting invites when a demo or discovery call is booked via your CRM
Invite interviewees, new hires, or training cohorts through Outlook without manual effort
Send event marketing campaigns via Outlook calendar invites and track RSVPs in real time
Sign Up with Your Outlook Account
Create Your Invite Campaign
Upload Your Attendee List
Send Invites & Track RSVPs
Every calendar invite comes from your own Outlook email address, not a third-party sender. Recipients see your name and trust the invite immediately.
Each invite is personalised with the attendee's name and your custom message, even when sending to thousands. No one sees the bulk sent behind it.
Recipients never see other attendees' emails. Unlike native Outlook meetings, where all guests are visible, Let's Calendar keeps your list completely confidential.
See who accepted, declined, or hasn't responded to your Outlook invite in real time. Send targeted follow-ups to non-responders in one click.
Plans changed? Update the event details and push an updated invite to all attendees in one click. Their Outlook or Google Calendar updates automatically, no duplicates.
Connect via Zapier to sync contacts from HubSpot, Salesforce, Google Forms, and more. New registrants automatically receive Outlook calendar invites without any manual action.
Outlook has two ways to send a calendar invite on Outlook: the native method (using Outlook's built-in New Event feature) and the scaled method (using Let's Calendar connected to your Outlook account). The native Outlook method works for small teams. The Let's Calendar method is built for sending invites to dozens, hundreds, or thousands, each one a private, personalised 1:1 invite straight from your Outlook inbox.
When you need to send an invite in Outlook to a large group, the native approach creates problems:
All attendees can see each other's email addresses
Replies from attendees flood your inbox
No way to personalise individual invites
No RSVP tracking beyond manual monitoring
Updates require recreating the meeting entirely
Standard default internal scheduling toolset limits
High-fidelity 1:1 automated scheduling engine mechanics
Upload your employee directory, create the Outlook invite campaign, and send personalised invites to every staff member without exposing the full attendee list.
Connect your registration form via Zapier. Every new registrant automatically receives an Outlook calendar invite.
Send personalised Outlook calendar invites for every session in the onboarding schedule to your entire new hire cohort at once.
Set up a recurring Outlook invite campaign once, weekly standup, monthly review, quarterly all-hands and automate all future invitations.
Free account. No credit card. Works with Gmail, Google Workspace, Outlook & Microsoft 365.
