How to sync room calendars between Microsoft 365 tenants?
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How to sync room calendars between Microsoft 365 tenants?

Imagine a scenario where your company shares an office meeting room(s) with another organization, and both of you utilize Microsoft Office 365 as your preferred office suite. However, you encounter a challenge: meetings cannot be directly shared between the two tenants. In such a situation, how can you effectively manage the room’s calendar? Fortunately, SyncPenguin…

Syncing Office 365 Contacts From a Public Folder to User Mailbox Folders (One-to-Many Sync)
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Syncing Office 365 Contacts From a Public Folder to User Mailbox Folders (One-to-Many Sync)

In this article, we’ll explain how you can easily use SyncPenguin to establish an automatic, one-way sync of contacts from a single Microsoft Office 365 source folder (public folder or shared mailbox) to multiple (or all) destination users of the same or different tenant. Please note that the same instructions apply when syncing Office 365,…

How to Enable Impersonation in Microsoft 365 or Exchange Server On-Premises (2025 version)
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How to Enable Impersonation in Microsoft 365 or Exchange Server On-Premises (2025 version)

Impersonation is a way of granting a single Microsoft 365 (formerly Office 365) or Exchange on-premises account domain-wide access to perform actions on behalf of other users through Exchange Web Services (EWS) API. This is extremely useful when developing an organization-level calendar, contact or task integration within a tenant or between two tenants. SyncPenguin has…