Alternatively, simply double-click the file. Windows will create a virtual DVD drive under "This PC" and open the contents. Step 2: Run the Setup Inside the mounted drive, look for a file named Setup.exe . Double-click Setup.exe to launch the installation wizard.
Double-click your created or downloaded ISO file to mount it to a drive letter (e.g., D:\ ). Open Command Prompt: Launch CMD as an administrator.
For deploying Microsoft 365 across many computers, you can create a bootable USB drive containing your offline installation files:
If you want an “ISO-like” experience for Microsoft 365 (Home/Business/Personal): ms office 365 iso
For locations with slow or unreliable internet (e.g., ships, remote research stations, or data centers with air-gapped networks):
: Users can download the full installer once and deploy it on multiple machines without needing a continuous internet connection. Ensure Consistency
For users with personal Microsoft 365 subscriptions (Family, Personal, or Business Basic/Standard), Microsoft provides an offline installer image that acts exactly like an ISO file. Go to your Microsoft Account page . Alternatively, simply double-click the file
: Choose the language and operating system (32-bit or 64-bit), then click the download icon to retrieve the ISO file. Installing Office from the ISO File
Downloading a 3GB to 4GB installer once saves massive amounts of network bandwidth when deploying Office across dozens or hundreds of computers.
<Configuration> <Add OfficeClientEdition="64" Channel="Current"> <Product ID="O365ProPlusRetail"> <Language ID="en-us" /> </Product> </Add> <Updates Enabled="TRUE" /> <Display Level="None" AcceptEULA="TRUE" /> </Configuration> Double-click Setup
In 2026, Microsoft largely utilizes "click-to-run" installers, but official offline installation methods still exist. This article covers how to find, download, and use (or equivalent .img files) for both personal and enterprise use. What is an MS Office 365 ISO/IMG File?
Will this be deployed to or multiple corporate endpoints ?
For IT administrators and business users, the Office Deployment Tool (ODT) provides the most flexibility. The ODT is Microsoft's official tool for downloading and deploying Microsoft 365 Apps for enterprise across an organization without requiring each computer to download from the internet individually.