Bing found these results
Download ActiveSync 4.5 from Official Microsoft Download Center
Exchange ActiveSync | Microsoft Learn
ActiveSync - Wikipedia
Enable or disable Exchange ActiveSync for a mailbox in Exchange …
Exchange ActiveSync in Exchange Online | Microsoft Learn
Exchange ActiveSync - Wikipedia
Exchange ActiveSync policies for managing devices in Office 365
Set up and manage mobile access for your users
Exchange ActiveSync Guided Walkthrough - Microsoft …
Definition of ActiveSync | PCMag