Microsoft Office 365 is a cloud-based version of the Microsoft Office suite, offering a range of applications, including Word, Excel, PowerPoint, and more. While its online installation process provides an easy and convenient way to install the software, it requires a stable internet connection. Users with limited internet connectivity or those who prefer to install software offline face challenges. To address this issue, we propose a solution to create an offline installer for Microsoft Office 365 using an ISO repackaging approach.