If your organization created a customized Office 2016 deployment (with specific XML configurations for default save locations, disabled telemetry, or particular proofing tools) based on Build 16090292167, you will need that exact version to replicate the setup without re-authoring the configuration files.
To understand why this specific version is sought after, it helps to break down the version string: If your organization created a customized Office 2016
The file string ...c2r stands for Click-to-Run. Unlike the old .exe or .msi installers, C2R uses streaming and virtualization. To install a specific build like 16.0.9029.2167, you typically cannot use a simple setup file. You must use the Office Deployment Tool (ODT) to fetch that specific version. When corruption occurs, Office may prompt: "We need
The most common reason. C2R installations can become corrupted due to: When corruption occurs
When corruption occurs, Office may prompt: "We need to repair your Office installation. Please re-download from official source."
If you have landed on this page, you are likely dealing with a very specific version of Microsoft Office 2016: Version 1802 (Build 16090292167) with the C2R (Click-to-Run) deployment method. You may be seeing error messages prompting a re-download, experiencing crashes, or trying to recover this exact build for compatibility reasons.
This article is the definitive resource for understanding what this version number means, why you might need to re-download it, and how to do so successfully—even if Microsoft’s automatic update channels have moved on to newer versions.