: Temporarily turn off your firewall or antivirus software before starting the installation. Clean Installation Microsoft Office Uninstall Support Tool
Encountering the error message while installing Microsoft Office 2010 or 2013 is a common, frustrating issue. It usually appears when the installer, particularly for Microsoft Office Professional Plus , cannot locate a necessary cabinet (CAB) file during the installation process, leading to an incomplete installation.
This example tells the ODT to download the 64-bit, English, Volume License version of Office 2021, excluding Access, Publisher, and OneNote.
If you are installing from a DVD or a network drive, copy the entire Office installation folder to your local hard drive (e.g., C:\OfficeSetup ) and run setup.exe from there. This eliminates potential read errors from the optical drive or network latency.
The "Proplus.ww\Propsww2.cab" file is a cabinet file, which is a type of compressed archive used by Windows to package files. The ".cab" extension stands for Cabinet, a file format used for compressed data. Download - Proplus.ww Propsww2.cab Office
: Navigate to official Microsoft resources such as the Volume Licensing Service Center or MSDN/TechNet, depending on your needs.
Log in to your Microsoft Account (or official download source) again. Re-download the entire ISO or installation package. Try the installation again. Method 2: Copy Installation Files to Local Drive
The safest and most effective path forward is to disregard unofficial download sites and arm yourself with a clean, trusted copy of the installation files directly from Microsoft. Whether you download the official offline installer from your Microsoft account, use a direct retail .img link, or leverage the powerful Office Deployment Tool for a custom setup, obtaining your software from the source is paramount.
Enable IT administrators to programmatically download the Proplus.ww\Propsww2.cab file (part of Microsoft Office Professional Plus installation media) and verify its integrity before offline deployment. : Temporarily turn off your firewall or antivirus
If you are installing from a disc or a network drive, the installer may struggle with "flaky" read speeds. Create a new folder on your desktop (e.g., C:\OfficeSetup ).
If installing from a physical DVD, the disc may be scratched. If from an ISO, the image may be corrupted.
If you are seeing this error during installation, try these community-verified steps:
Paste the items directly into your local OfficeSetup folder. This example tells the ODT to download the
The most common cause is a damaged or incomplete propsww2.cab file. This can happen if:
: Ensure you have a clear understanding of which version of Office you're trying to install or update and that you have the necessary licenses.
A: No. Downloading individual system files from unofficial sources poses a significant security risk. Third-party websites often host modified files containing viruses or malware. You should always obtain this file through the official Microsoft Office installer.