Microsoft Office 365 Offline Installer ((top)) Jun 2026

Always test your offline installer on a non-production machine first, and refresh your offline source every 2–3 months to include security updates.

Inside the extracted folder, you will see a setup.exe file and a few sample .xml files. The XML file tells the tool exactly which version, language, and architecture (32-bit or 64-bit) of Office to download.

This will download a massive .img disk image file. Once downloaded, double-click the file in Windows 10 or Windows 11 to automatically mount it as a virtual drive. Open the drive and double-click Setup.exe to begin the offline installation process. How to Activate Office 365 After Offline Installation

Click on the checkbox or dropdown menu option. Choose your preferred Language (e.g., English). Click the Download button. Step 4: Save the Virtual Disc microsoft office 365 offline installer

If you are deploying across a or just a few standalone personal PCs Share public link

Open the Windows Search bar, type , right-click Command Prompt , and select Run as Administrator .

Double-click the downloaded .img file to mount it as a virtual drive in Windows Explorer. Open the virtual drive. Always test your offline installer on a non-production

This guide covers everything required to download, configure, and install Office 365 without an active internet connection. Why Use the Office 365 Offline Installer?

If you need to like Teams, Access, or OneDrive from installing

You will never go back to the web installer again. This will download a massive

The large download got a bit flipped during transfer. Fix: Before running Setup, right-click the ISO > Properties. Look for a "Digital Signatures" tab. If it says "The digital signature is invalid," delete the ISO and re-download using a tool like certutil -hashfile to compare the SHA-1 hash with Microsoft’s official hash list.

What do you want to exclude (e.g., Teams, Access, OneDrive)? Are you deploying to Windows or macOS ? Is this for personal use or an enterprise network ?

Note: Adjust the OfficeClientEdition attribute to "32" if your environment requires older 32-bit application support. Step 3: Execute the Download Command