Office Api-ms-win-crt-runtime-l1-1-0.dll File Is Missing On Startup

Gene Kim
Gene Kim Last Updated: May 18, 2022


Software: Office 2010, 2013 & 2016 | Last modified on 2018-06-18


When attempting to launch any Office application, an error occurs, stating that the api-ms-win-crt-runtime-l1-1-0.dll file is missing. This is caused by a missing or corrupt C++ Redistributable package.

[Solution 1] Install the Microsoft Visual C++ Redistributable Package


  1. Download and install both versions of the Microsoft Visual C++ Redistributable Package

    • x86 Version: http://download.microsoft.com/download/9/3/F/93FCF1E7-E6A4-478B-96E7-D4B285925B00/vc_redist.x86.exe
    • x64 Version: http://download.microsoft.com/download/9/3/F/93FCF1E7-E6A4-478B-96E7-D4B285925B00/vc_redist.x64.exe

  2. Restart the computer and all Office applications should be able to open again.

Gene Kim
Written by

Gene Kim

Gene Kim is a multiple award-winning CTO, Tripwire founder, Visible Ops co-author, IT Ops/Security Researcher, Theory of Constraints Jonah, a certified IS auditor and a rabid UX fan.


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