CSCFG File

What are CSCFG files and how to open them

Are you having problems opening a CSCFG file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your CSCFG files.

What is a CSCFG file?

A .CSCFG file is an Azure Service Configuration Schema file.

Azure Service Configuration Schema files are XML-based configurations used with Microsoft Azure Cloud Services. They define deployment settings such as how many virtual machine instances each role (WebRole, WorkerRole, etc.) should have, configuration values for those roles, and any certificates required. These settings control behavior of a service after it has been deployed.

These files are authored by cloud service developers or administrators and are submitted alongside a service package (a .cspkg file). They work together with a service definition file (ServiceDefinition.csdef), which describes the structural setup of roles and endpoints. While the definition file is static for a deployment, configuration files can be modified and redeployed without redeploying the entire service, allowing for live changes to instance counts or settings.

The format begins with an XML declaration followed by a root element named ServiceConfiguration. Required attributes include serviceName; optional ones include osFamily, osVersion, and schemaVersion. Inside the root, one or more Role elements define settings specific to each service role. Elements such as Instances (with a count attribute), ConfigurationSettings (with Setting elements), and Certificates are used to configure runtime details. If virtual networking is used, a NetworkConfiguration section can appear.

How to open CSCFG files

Important: Different programs may use files with the CSCFG file extension for different purposes, so unless you are sure which format your CSCFG file is, you may need to try a few different programs.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: September 19, 2026

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