Install Offline //top\\: Office 365

Open the downloaded .img file (usually named O365HomePremRetail.img ) by double-clicking it. This mounts it as a virtual drive.

Go to the official Microsoft 365 portal (portal.office.com) → Sign in with your licensed account.

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Before you start, make sure you have the following:

Open the virtual drive and double-click Setup32.exe (for 32-bit) or Setup64.exe (for 64-bit) to begin the installation. office 365 install offline

⚠️ You still need an internet connection once after installation to activate your license (unless using volume licensing). After activation, you can go offline again.

A Step-by-Step Guide to Installing Office 365 Offline Open the downloaded

Once installed, you at least once to sign in and activate your license. 2. For Business and Enterprise Subscriptions