How To Sync My 2025 Yearly Calendar With Other Devices Windows 10 Mail. In this windows 10 guide, we will walk you through a series of steps to fix syncing issues with the calendar app. Here's how to sync your calendar on all devices.

To sync events to the calendar app, use these steps: Make sure the sync settings are as desired for how far back you want mail downloaded from, whether to include calendar and contacts (people app).