Office Customization Tool Free Download

An IT tool to preconfigure Office installations for mass deployments.

100% Free Safe & Verified May 23, 2026 No Ads Official Installer
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App Details

License
Free Trial
Developer
Microsoft
OS Support
Win 10 / 11 / 7
Architecture
64-bit
Downloads
5397+
Updated
May 23, 2026

About Office Customization Tool

The Office Customization Tool (OCT) is a web-based Microsoft utility that empowers IT teams to preconfigure Office installations with tailored settings, apps, and updates for bulk enterprise deployments. Introduced in 2018 to modernize large-scale Office 365 (now Microsoft 365) rollouts, it replaced clunky XML scripting with an intuitive interface, enabling… Read full review