This was originally distributed to Volume License (VL) customers (businesses, schools, government) via the Microsoft Volume Licensing Service Center (VLSC).
The file sw_dvd5_office_professional_plus_2013_w32_english_mlf_x18-55138.iso represents a very specific, enterprise-targeted snapshot of Microsoft Office history. It is a robust, 32-bit, Volume License installation medium for Windows 7–10, best suited for offline environments, legacy hardware, or corporate KMS-managed deployments.
Before you install, ask yourself:
If you answered “yes” to the first two questions and understand the risks, this ISO remains a functional, lightweight productivity suite. Follow the installation steps precisely, respect Microsoft’s licensing terms, and keep the installer in a secure, archived location for future reprovisioning. This was originally distributed to Volume License (VL)
Need further help? Check Microsoft’s official document: “Deploy Office 2013 using Volume Licensing” (Archived on Microsoft Learn).
It sounds like you’re referring to a specific Microsoft software release:
SW_DVD5_Office_Professional_Plus_2013_W32_English_MLF_X18-55138.ISO If you answered “yes” to the first two
That’s a volume license (MLF = Microsoft Licensing Fulfillment) ISO image file for Office Professional Plus 2013 (32-bit, English).
If you’re looking for documentation or a “paper” (white paper, guide, or documentation) regarding installation, here’s what you can refer to:
Since extended support ended in 2023, Microsoft no longer releases genuine security updates for Office 2013. However, attempting to update via Windows Update may cause errors or attempt to force-upgrade you to a newer, incompatible version. Since extended support ended in 2023
Recommended configuration:
File Reference: sw_dvd5_office_professional_plus_2013_w32_english_mlf_x1855138.iso
Version: 32-bit (x86)
Language: English