File Extension Search

.cms File Extension

Developer: Microsoft Corporation
File type: Connection Manager Service Profile
You're here because you have a file that has a file extension ending in .cms. Files with the file extension .cms can only be launched by certain applications. It's possible that .cms files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .cms file?

Connection Manager Service profile files are affixed with the .cms extension and are classified as data files used by the Microsoft Connection Manager Administration Kit software. Microsoft developed files in the CMS format to store details referenced by the Windows Connection Manager application for facilitating associated functionalities of remote dial-up connections. The Microsoft Connection Manager software is a program that can be used by administrators of Microsoft Windows-based systems to create and configure remote dial-up connections. These connections can be used by other users. The Windows Connection Manager Administrator Kit(CMAK) software was developed by Microsoft to create files in the CMS format. These CMS files also contain reference data associated to entries in the phone book accessed by the Microsoft Windows-based system. The system does this when a user requires the implementation of functionalities corresponding to remote dial-up connection profiles created by administrators with the Windows Connection Manager application.

how to open a .cms file?

Launch a .cms file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .cms file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .cms files aren't yet associated with it. In this case, when you try to open a .cms file, you can tell Windows which application is the correct one for that file. From then on, opening a  .cms file will open the correct application. Click here to fix .cms file association errors

applications that open a .cms file

Microsoft Connection Manager Administration Kit

Microsoft Connection Manager Administration Kit

Connection Manager Administration Kit is software that was developed by Microsoft which aims to provide its user the capability of creating customizable dialers also known as a connectoid being used for Dial-up Networking for VPN users. It provides its users with features such as a lock down option for added security since this will prevent the user from implementing any type of security configurations that can be deemed dangerous, split tunnelling is an example of this. It offers a Phone Book Service wherein new phone numbers and several VPN server addresses can be updated to its VPN connectoids and this process can be done automatically. The settings for the Web Proxy that is built-in on the VPN client can be preconfigured in order to ensure that the firewall policy for ISA Server is being reinforced on the VPN clients being used.

a word of warning

Be careful not to rename the extension on .cms files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .cms. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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