How to Connect and Disconnect External Calendars

Connecting your external calendar to SigmaMD streamlines your scheduling by keeping appointments and events synced across both platforms.

Your External Calendars are located inside your Personal Settings, under Integrations.

Personal Settings with Integrations selected, showing the External Calendars and Fullscript cards

Connect a Google Calendar

  1. Click Connect next to Google Calendar.
  2. Choose the Google account you want to connect.
  3. Review the access permissions, make sure calendar access is selected, and click Allow. Without calendar access, the calendar doesn't connect; click Connect again and allow it.
  4. Once connected, the calendar shows Connected to and your account email.

Connect a Microsoft Calendar

  1. Click Connect next to Microsoft Calendar.
  2. Sign in to your Microsoft account and follow the prompts to authorize SigmaMD.
  3. Once connected, the calendar shows Connected to and your account email.

Choose How the Calendars Sync

SigmaMD syncs with your account's primary calendar only. Your SigmaMD events from today forward are added to it; past events aren't.

To choose what syncs, click Sync settings next to a connected calendar.

External Calendars card with a Google calendar connected and the Sync settings and Disconnect buttons

Under Choose how the calendars sync, select one option (the labels name your provider; these examples use Google):

  • Bidirectional (the default): events sync both ways. If you move or resize a SigmaMD event in Google, it moves in SigmaMD too; for an appointment, the patient sees the new time.
  • SigmaMD to Google: SigmaMD events are added to Google, but Google events don't appear in SigmaMD or block patient self-scheduling. Moving a SigmaMD event in Google doesn't change it in SigmaMD.
  • Google to SigmaMD: Google events appear in SigmaMD, but SigmaMD events aren't added to Google.

Two toggles, both off by default, control how much detail each side shows:

  • Show SigmaMD event details in Google: adds the visit type and an Open in SigmaMD link to each event's description.
  • Show Google event titles in SigmaMD: shows each event's title on your SigmaMD calendar. While it's off, these events appear as External event.

Sync Settings dialog with Bidirectional selected and both detail toggles off

Click Confirm to save. Turning a direction off removes the events already synced that way. For example, switching from Bidirectional to Google to SigmaMD removes your SigmaMD events from Google.

While SigmaMD updates your events, the calendar shows Applying changes…. If some events can't be updated, it shows Some events couldn't be updated. Click Retry to try again.

Privacy

Events SigmaMD sends to Google or Microsoft are private. Each appointment is titled with its appointment type and your practice name in parentheses; blocks and other events are titled Event from (your practice name). The patient's name and the reason for the visit are never sent.

With Show Google event titles in SigmaMD on, colleagues who can see your calendar in SigmaMD can also read the titles of your personal events.

Disconnect an External Calendar

You can connect one Google and one Microsoft calendar at a time. To switch accounts, disconnect the current one before connecting a new account. If you no longer want to sync an external calendar:

  1. Go to Personal Settings > Integrations.
  2. Click Disconnect next to the calendar, then Confirm.

Consequences of Disconnection

When you click Disconnect:

  • Removal of synced events: The events SigmaMD added to your external calendar are removed from it, and that calendar's events no longer appear in SigmaMD. Events you created in Google or Microsoft stay in that calendar. If the calendar shows Connection expired, click Reconnect before you disconnect; otherwise the events SigmaMD added stay in Google or Microsoft.
  • Sync settings reset: Connecting the calendar again starts from the defaults (Bidirectional, both toggles off), and only events from today forward are added back.

How to Reconnect

If your calendar disconnects automatically (for example, due to password changes, security updates, or expired permissions), it shows Connection expired and stops syncing in both directions. Events already synced stay in both calendars, and the calendar's events keep blocking time in SigmaMD until you reconnect, even if they change in Google or Microsoft.

  1. Go to Personal Settings > Integrations.
  2. Click Reconnect next to the calendar marked Connection expired.
  3. Sign in again and grant the requested permissions.

External Calendars card with a Google calendar marked Connection expired and the Reconnect and Disconnect buttons

SigmaMD then resumes syncing with the same sync settings.

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