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 name | Component | Size (Bytes) | Size (KB) | Version | Tags |
|---|---|---|---|---|---|
| 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 |