The file is a part of the "ApiSet Stub DLL" family used by the Windows operating system to manage application programming interfaces (APIs). It is specifically associated with Windows 8.1 and later versions; missing errors for this file often occur when modern software (like Office 365 or CrossOver) is run on older operating systems like Windows 7 or 8. Primary Fixes for 64-Bit Systems
A DLL is rarely a "standalone" fix. If you drop a random 64-bit DLL into your system folder, it may still fail because it lacks the registry keys and dependency files that come with an official Microsoft installer. Api-ms-win-core-version-l1-1-1.dll 64 Bit
These sites often provide:
The api-ms-win-core-version-l1-1-1.dll file is a critical component of the , used by software to access specific operating system features. If you are seeing a "missing" or "not found" error, it typically means a program—frequently Microsoft Office 365 or Word —cannot find the libraries it needs to run on older operating systems like Windows 8 or Windows 7 . Understanding the 64-Bit File Structure The file is a part of the "ApiSet