Microsoft Office Ltsc Pro Plus 2021 Portable Jun 2026

Microsoft Office LTSC Professional Plus 2021 is a specialized version of the Microsoft productivity suite designed for regulated or restricted environments no official "portable" version

OnlyOffice has excellent .docx/.xlsx/.pptx compatibility (better than LibreOffice in some cases). Their portable version runs without installation and is free for offline use.

Have you tried a "Portable Office" in the past? Did your antivirus scream? Tell us in the comments below.