Outreach channelsComing soon

Microsoft Calendar for Tantra is coming soon.

We are working toward an Outlook calendar connection as an alternative to Google Workspace for calendar campaigns.

Request early access

Requires a Microsoft 365 or Outlook environment.

What you get

Outlook calendar accounts

Planned support for connecting Outlook calendar accounts alongside Google Workspace.

Calendar invitation outreach

Planned support for running Tantra's calendar invitation campaigns from a Microsoft mailbox.

Early access requests

Tell us your Microsoft environment and mailbox count so we can prioritize the build.

How it works

Step 1
Tell us about your Microsoft environment
Step 2
We'll reach out when Outlook calendar support is ready
Step 3
Continue using Google Workspace for calendar outreach until then

Supported actions and data

Tantra can do

Planned: connect Outlook calendar accounts as senders for calendar campaigns

Tantra receives

Planned: calendar event creation and Outlook mailbox status, once shipped

Requirements and permissions

A Microsoft 365 or Outlook environment
Tell us about it in the request form
No connection required yet
This integration is not live

Good to know

This is a planned integration; nothing is connected yet.
There is no Connect button and no live configuration screen to preview.
Use Google Workspace for calendar outreach in the meantime.

Frequently asked questions

Can I connect Outlook calendars today?: Not yet. Microsoft Calendar is in planning; request early access and we'll reach out when it's ready.
What should I use for calendar outreach in the meantime?: Google Workspace calendar invitations are available today and cover the same calendar campaign path.

Related integrations

Google Workspace

AvailableAdmin setup

Send Gmail sequences and Google Calendar invitations from mailboxes in your Workspace.

Send threaded Gmail steps as part of a sequence
Create Calendar events and send Google Calendar invitations
Detect replies, clicks (when enabled), bounces, and unsubscribes

Explore Google Workspace

REST API

AvailableDeveloper

Use revocable account-level keys to automate supported Tantra API operations.

Operate campaigns, contacts, webhooks, and related workflows over HTTPS
Authenticate requests with an X-API-Key header

Explore REST API

Request early access.

Bring Outlook calendar accounts into Tantra calendar outreach.

Request early access Request an integration