Companionapp.dll file is part of Phone Companion product developed by Phone Companion. It is responsible for Microsoft Corporation functionality. This part is required for Phone Companion to function. If you are planning on replacing companionapp.dll with a new version make sure that you backup your old file. Replacing companionapp.dll file with a diffent version can cause Phone Companion to malfunction.

DLL File Description
Phone Companion
Phone Companion

Available versions of companionapp.dll

Dll file nameComponentSize (Bytes)Size (KB)VersionTags
companionapp.dll CompanionApp.exe 4419072 4.21 MB 10.1802.1801.31001 Program Files WindowsApps 
companionapp.dll Phone Companion 5732864 5.46 MB 10.1510.9010.0 Windows InfusedApps Packages 

Files similar to companionapp.dll

compstat.dll - Static compression module
compdyn.dll - Dynamic compression module
ConnectivityStore.Windows.dll - ConnectivityStore.Windows
concrt140_app.dll - Microsoft® Concurrency Runtime Library
CompanionApp.dll - CompanionApp.exe
CompanionAppDeviceManager.dll - CompanionAppDeviceManager.dll
Common.dll - Common
contextp.dll - Visual Studio Context Tracking Proxy
ConMan2.dll - VSD connection manager
ConManPS.dll - VSD connection manager proxy/stub

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