Download ActiveSync 4.5 from Official Microsoft Download Center
Jul 15, 2024 · Microsoft ActiveSync 4.5 is the latest sync software release for Windows Mobile-powered devices. ActiveSync provides a great synchronization experience with Windows®-powered PCs and …
Exchange ActiveSync | Microsoft Learn
Apr 30, 2025 · Exchange ActiveSync is an Exchange synchronization protocol that's optimized to work together with high-latency and low-bandwidth networks. The protocol, based on HTTP and XML, lets …
Exchange ActiveSync in Exchange Online | Microsoft Learn
Feb 22, 2023 · Exchange ActiveSync is a Microsoft Exchange synchronization protocol that's optimized to work together with high-latency and low-bandwidth networks. The protocol, based on HTTP and …
Enable or disable Exchange ActiveSync access to mailboxes in …
Apr 30, 2025 · Learn how administrators can enable or disable Exchange ActiveSync access to specific mailboxes in Exchange Server 2016 or Exchange Server 2019.
Download ActiveSync 4.5 - Polski from Official Microsoft Download …
Jul 15, 2024 · Microsoft ActiveSync 4.5 is the latest sync software release for Windows Mobile-powered devices. ActiveSync provides a great synchronization experience with Windows®-powered PCs and …
Exchange ActiveSync device settings with Exchange hybrid deployments
Jan 27, 2023 · Exchange ActiveSync device settings with Exchange hybrid deployments Exchange ActiveSync devices are automatically reconfigured when a mailbox is moved from an Exchange on …
Mobile device can't connect via ActiveSync - Exchange
Jun 25, 2025 · Describes a scenario in which a mobile device can't connect to Exchange Online in Microsoft 365 by using Exchange ActiveSync. Provides a resolution.
Troubleshoot ActiveSync with Exchange Server - Exchange
Jun 25, 2025 · The Exchange ActiveSync organization settings allow administrators the ability to set the default access level for ActiveSync devices. These default settings include Block, Quarantine, and …
Managing devices for Outlook for iOS and Android for Exchange Server
Apr 30, 2025 · This article focuses on specific Exchange ActiveSync features and scenarios for mobile devices running Outlook for iOS and Android when authenticating with Basic authentication. …
Configure mobile phones to access email in Exchange Online
Feb 22, 2023 · You can configure a mobile phone to use Microsoft Exchange ActiveSync. You should perform this procedure on each mobile phone in your organization.