Enabling Microsoft 365 Calendar Sync

Einstein Activity Capture and other third-party calendar sync tools must be turned off before turning on the event sync for Microsoft Calendar Sync. If not turned off, it will trigger event notification emails to be sent to clients. For instructions on disabling, please consult our Disabling Calendar Sync Tools article. If you have any questions, please reach out to your CSM or our Practifi Support Team. 


Microsoft 365 Calendar Sync allows users to view their calendars in both Microsoft 365 and Practifi. When this sync is enabled in your firm's Practifi organization, you can view events in either system and have confidence that you are seeing your entire schedule. Practifi Administrators can choose a one-way event sync (Microsoft to Practifi or vice-versa) or a two-way event sync between Microsoft 365 and Practifi.

This article outlines the steps to enable Microsoft 365 Calendar Sync in your organization. For more information about the Microsoft 365 calendar sync, please consult our Using Microsoft 365 Calendar Sync article.

**Note: This content is intended for system administrators and is technical in nature. Please discuss your integration installation plans with your Practifi Customer Support Team for their assistance.*

Before You Begin

This calendar sync is part of our Microsoft 365 Sync, a paid add-on feature. Please note that the number of users granted access must be the same as the number of licenses in your Practifi contract. Contact your Client Success Manager to discuss pricing in more detail and sign up for the service. You will not be able to enable this functionality in your organization without purchasing this add-on. 

Please note: This integration works only with Microsoft Cloud. It is not compatible with Exchange servers on-premises or self-hosted Exchange servers.

Enablement Process

The majority of the enablement steps for Microsoft 365 Calendar Sync are identical to the steps for enabling Microsoft 365 Email Sync, with additional steps for enabling event sync and configuring sync settings. These are described in the sections below. To begin the enablement process, System Administrators should complete the steps described in our Enabling Microsoft 365 Email Sync article before proceeding to the next section of this article.

Enabling Event Sync

Important: Microsoft 365 Calendar Sync uses the Microsoft Graph API to access your firm's Microsoft Cloud services. Due to the nature of the Microsoft Graph API, any update made to a past or future calendar event from Practifi to Microsoft Outlook will automatically trigger Microsoft Outlook to send an updated event invitation to all attendee inboxes. For this reason, we recommend Administrators examine all potential risks before enabling the two-way calendar sync feature. Enabling the two-way event sync without careful consideration may result in unwanted event invitations, updates or cancellations being sent to end clients.

To enable event sync for users, navigate to the Users & Mailboxes tab of the Microsoft 365 Sync page within the Settings app. The Sync Events option appears as a column in the User table alongside Sync Emails. Check the box for each user you would like to enable the feature for. To save time, you can check the box in the header row beside Sync Events to select all users listed. 


If a user is linked to more than one mailbox—for example, if they're the nominated user for a shared mailbox—then you'll need to select which mailbox is their Primary Mailbox. This is the mailbox whose Microsoft 365 calendar will be used for any of that user's Events created in Practifi and also the email address from which Event invitations will be sent. 

Once you've checked the box beside each user that you would like to use the Microsoft 365 calendar sync, select Save to finalize your changes.

Sync Settings

Once the users have been enabled, you can modify sync settings to suit your firm's needs. On the Sync Settings tab, scroll down to locate the Event Settings section. Within this section, you can modify settings by toggling off and on the different event setting options. The options available are as follows:

  • Sync Internal Events: An internal event is one that’s only attended by team members who are also Practifi users. Enable this setting if your firm uses Practifi as an internal business management solution.

  • Delete Synced Events: When an event is deleted from one system, choose how that affects the other (either delete it as well or keep it). If Practifi is the system of record for your business, you should use a stricter policy as compared to Microsoft 365.

  • Sync Private Events: Certain events are marked as private by their organizers in Practifi or Microsoft 365. Choose whether to include these in your firm’s sync.

  • Sync Direction: Choose whether to implement a comprehensive two-way solution or keep things simple with a one-way approach. There are two one-way options: Microsoft to Practifi or Practifi to Microsoft. If you select Microsoft to Practifi, this means events created in Microsoft will flow into Practifi, but events created in Practifi will not appear in Microsoft.
    If you enable the two-way option, if a synced Event is updated in both systems in between syncs, the changes made in Microsoft 365 will take precedence.

  • Sync Unmatched Events: All events in synced calendars will appear in Practifi, even if they aren’t related to any records. Enable this setting if your firm uses Practifi as its primary calendaring solution.

Once you have modified the settings to suit your firm's needs, select Save to finalize your changes. 



Microsoft Integration Settings

There are other event sync settings that deal with how historical and future events are handled. To access these, do the following:

  1. Click the Setup cog in the upper right-hand corner of Practifi and select Salesforce Setup.
  2. In the Quick Find box, search for Custom Settings and select Custom Settings from the suggestions.
  3. On the Custom Settings page, next to Microsoft Integration Settings, click the Manage link.

    Screenshot 2023-11-16 at 1.44.33 PM.png

  4. On the Microsoft Integration Settings page, you can click the Edit button to configure the following settings:
    • Commencement Date: This is the date on which the syncing of past events from Microsoft into Practifi begins. This field is automatically populated with the date of six months prior to the sync being enabled.
      Please note: Historical events will not sync from Practifi to Microsoft.
    • Future Inbound Event Sync Range in Years: This field sets the number of years into the future that Microsoft events will sync into Practifi. This means that any change to events within that range will be synced. The default value is 10.
    • Future Outbound Event Sync in Months: This field sets the number of months into the future that Practifi events will sync into Microsoft 365. This means that any change to events within that range will be synced. The default value is 24.

IMPORTANT: The Practifi event sync to Microsoft is trigger-based, so any future-dated events will only sync to Microsoft after an insert/update/delete action is made on the Practifi Event record. This means if you are enabling two-way event sync for the first time, existing future-dated Practifi event records that fit within the Future Outbound Event Sync in Months (automatically set to 24 months) setting will not automatically sync to Microsoft unless those Practifi events are edited in some manner and then re-saved. Note that updates made to the attendees list in Practifi will not trigger an updated sync to Microsoft.

Syncing Event Locations

Syncing Event locations between systems is supported in Practifi as Resource Calendars, which surface the location as a “resource” with its own calendar, allowing it to be managed as a typical meeting room.

Please note that in order for this sync to occur, administrators must first recreate your Microsoft 365 locations as Resource Calendars with names identical to those found in Microsoft 365. To avoid sync conflicts, Microsoft 365 locations must have unique names.

Sync Considerations

When syncing Events, the following should be considered:

  • Attachments - Event attachments are currently unsupported.

  • Data imports - Importing events into Practifi is unsupported; only events created in the Practifi UI will be synchronized with Microsoft 365. This is by design, as any calendar event synchronized with Microsoft 365 causes invitations to be sent. In a typical import scenario, this isn’t desired.

  • Draft events - Draft events in Microsoft 365 won’t appear in Practifi. To sync them, they must first be saved as confirmed calendar entries.

  • Maximum attendees - Only 50 attendees are synced per Event. If more than 50 exist, then the first 50 are selected alphabetically.

  • Private events - Supported in both directions but without attendees.

  • Secondary user calendars - This is not currently supported functionality; only the user’s default calendar will be synced.

  • Shared calendars - Only personal calendars are currently supported.

Practifi Protect Compatibility 

Practifi Protect and Microsoft 365 Calendar Sync can be enabled at the same time. However, the encryption introduced by Practifi Protect prevents Microsoft 365 Sync’s record-matching logic from operating. This means that firms cannot encrypt the below fields if they want to make use of them in the matching process:

  • Email (Contact)

  • Alternative Email (Contact)

  • Other custom email fields on Contact

  • Email (User)

This guidance is taken from Salesforce Help, and is one of the trade-offs inherent in enabling Salesforce Shield, the technology behind Practifi Protect.

Customization Considerations

The following items have been modified by this feature. If your firm has customized them, then you’ll need to either copy the changes into your customized version or switch to the default version and redo your changes.

  • Lightning pages

    • Event Record Page

  • Page layouts

    • Event Layout


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