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Outlook Window Hook 1.0.0 by Palsternakka is a lightweight utility designed to keep Microsoft Outlook operating in the background after its main window is closed, eliminating the need to keep the interface open for continuous email synchronization, calendar updates, and notification delivery. Targeted at professionals who rely on Outlook’s real-time push services but prefer an uncluttered taskbar, the program intercepts the WM_CLOSE message that Windows sends when the user clicks the “X” button and redirects it to hide the window instead of terminating the process. This behavior preserves active Exchange or IMAP connections, ensuring that new mail, meeting reminders, and server-side rule processing remain uninterrupted while the application runs silently in the system tray. The hook is injected only into the Outlook process, consumes negligible memory, and does not modify any Outlook data files or registry settings beyond its own single configuration key, making it suitable for corporate environments governed by strict IT policies. Because the utility operates at the API level, it is compatible with Outlook 2016, 2019, 2021, and Microsoft 365 desktop builds on Windows 10 and 11 without requiring administrator rights; it simply registers a low-level window procedure that remains active until Outlook is explicitly exited through File > Exit or a system shutdown. The sole 1.0.0 release is distributed as an unsigned 32-bit/64-bit portable executable that can be started manually or placed in the user’s Startup folder for automatic initialization. Outlook Window Hook is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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