If your deployment infrastructure requires a single .ISO image file for virtualization or physical media creation:
The graphical user interface (GUI) for Microsoft Office will launch, detailing the installation progress across your workstation. Creating Your Own ISO File (Optional)
<Configuration> <Add SourcePath="c:\temp\office2021" OfficeClientEdition="64" Channel="PerpetualVL2021"> <Product ID="ProPlus2021Volume"> <Language ID="en-us" /> </Product> </Add> </Configuration>
Finding the source is critical to ensure security and compliance, particularly to avoid malware-laden files from unofficial sources. If your deployment infrastructure requires a single
Run setup.exe /download configuration.xml to download the installation files, which can then be packed into an ISO if necessary. Top Features of Office LTSC Pro Plus 2021
This guide will explain what LTSC means, why Professional Plus 2021 is the gold standard for power users, and exactly how to procure, verify, and install the ISO file legally and safely.
Download a trusted third-party image creation tool (such as ImgBurn or AnyToISO). Choose the option to build an image from files/folders. Top Features of Office LTSC Pro Plus 2021
To download and install , you generally won't find a single "Download" button on a standard retail page. Because it is a volume-licensed product, Microsoft requires using the Office Deployment Tool (ODT) to pull the installation files directly from their Content Delivery Network (CDN). Recommended Download & Installation Steps Follow these steps to legally obtain the 2021 LTSC files:
Enhanced security, particularly in Outlook and Access, with a five-year support lifecycle. 5. Comparison: LTSC 2021 vs. Microsoft 365 Office LTSC Pro Plus 2021 Microsoft 365 Apps License Type Perpetual (One-time purchase) Subscription (Monthly/Annual) New Features No (Security only) Yes (Ongoing updates) Cloud Integration Limited (Optional) Deep (OneDrive/SharePoint) Ideal For Regulated Systems/No Cloud Dynamic Teams/Remote Work
This package includes the complete suite: Word, Excel, PowerPoint, Outlook, OneNote, Publisher, Access, and Skype for Business. To download and install , you generally won't
Microsoft offers a 30-day trial of Office LTSC Professional Plus 2021 via ISO.
Once the download finishes, run: setup.exe /configure configuration.xml . Important Considerations Overview of Office LTSC 2021 - Microsoft Learn