How to sync Microsoft 365 GAL to individual Google Workspace user contacts (and get correct caller ID on Android)
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How to sync Microsoft 365 GAL to individual Google Workspace user contacts (and get correct caller ID on Android)

Many organizations run Microsoft 365 for email and collaboration, but still hand out Google Workspace accounts to at least part of their team – for shared drives, Google Meet, or simply because that’s what a subsidiary or partner company standardized on. This creates a common gap: the company’s Global Address List (GAL) lives in Microsoft…

SyncPenguin is Moving from EWS to Microsoft Graph API: What You Need to Know in 2026
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SyncPenguin is Moving from EWS to Microsoft Graph API: What You Need to Know in 2026

If you use SyncPenguin to keep your contacts, calendar meetings, or tasks in sync between Exchange/Outlook and other platforms, this post explains an important change happening under the hood – and a small action some of the customers will need to take to keep their sync running smoothly. Note: this only relates to customers who…

Best way to keep office room calendar bookings in sync between Google and M365 tenants
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Best way to keep office room calendar bookings in sync between Google and M365 tenants

Does your organization share conference rooms with another company, only to struggle with keeping calendars in sync? The challenge becomes even more complex when each company uses a different office collaboration suite — Microsoft 365 and Google Workspace. In this blog post, we’ll introduce a seamless solution: a simple and near real-time two-way synchronization between…

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…

A simple two-way contact sync between Microsoft 365 GALs (Global address lists) in 2025
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A simple two-way contact sync between Microsoft 365 GALs (Global address lists) in 2025

GAL (Global Address List) is a list of contacts that are accessible to all users across Microsoft 365 (formerly known as Office 365) tenant. This list combines tenant user details, as well as organizational contacts and information about groups. In this article we will explore how you can use SyncPenguin to set up a full…

How to enable delegate access to an Office 365 or Exchange room or resource calendar?
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How to enable delegate access to an Office 365 or Exchange room or resource calendar?

In this article, we’ll go over the steps necessary to enable full delegate access to an Office 365 or Exchange room or resource calendar. SyncPenguin uses this permission to connect a room or resource calendar through a dedicated user or service account in order to two-way sync room calendars between or within tenants. Office 365…

How to automatically push Microsoft 365 GAL (global address list) to personal user mailboxes and mobile devices?
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How to automatically push Microsoft 365 GAL (global address list) to personal user mailboxes and mobile devices?

Maintaining seamless access to all contacts is crucial for efficient email communication and productivity on mobile devices. However, organizations that rely on Microsoft Office 365 as their office suite often face the inconvenience of not being able to access their organization contacts on their mobile devices, even with Outlook contacts integrated into iPhone or Android….

On syncing user calendars between Microsoft 365 and Google Workspace (updated in 2025)
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On syncing user calendars between Microsoft 365 and Google Workspace (updated in 2025)

Microsoft 365, formerly known as Office 365, and Google Workspace are widely recognized office suites catering to businesses of all sizes. While each has its own advantages and disadvantages, this article aims to address a specific scenario where organizations or teams may need to utilize both solutions simultaneously (for example, after a company merger or…

Office 365 Calendar Meeting Sync Between Organizations or Tenants
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Office 365 Calendar Meeting Sync Between Organizations or Tenants

Managing meeting bookings and ensuring there are no scheduling conflicts can be a daunting task when employees in your organization have active work accounts across different Office 365 tenants. To address this challenge and simplify calendar management, SyncPenguin offers a reliable and efficient solution — a two-way synchronization that keeps calendars up-to-date with a seamless…