# Introduction

The project team sets the initial analysis scope of their project and may adjust it by using exclusion features (for more information, see [setting-analysis-scope](https://docs.sonarsource.com/sonarqube-community-build/project-administration/adjusting-analysis/setting-analysis-scope "mention")). As a system administrator, you can define an analysis scope adjustment at the global level in the UI. These settings apply by default to all projects and can be overridden at the project level.

To adjust the analysis scope at the global level, you can:

* Exclude specific files from:
  * The duplication check
  * The code coverage analysis
* Exclude files based on path-matching patterns.

In very few situations, you may have to use the advanced exclusion features.

## Related pages <a href="#related-pages" id="related-pages"></a>

* [exclude-from-coverage-duplication](https://docs.sonarsource.com/sonarqube-community-build/instance-administration/analysis-functions/analysis-scope/exclude-from-coverage-duplication "mention")
* [excluding-files-based-on-file-paths](https://docs.sonarsource.com/sonarqube-community-build/instance-administration/analysis-functions/analysis-scope/excluding-files-based-on-file-paths "mention")
* [advanced-exclusion-features](https://docs.sonarsource.com/sonarqube-community-build/instance-administration/analysis-functions/analysis-scope/advanced-exclusion-features "mention")
* [setting-analysis-scope](https://docs.sonarsource.com/sonarqube-community-build/project-administration/adjusting-analysis/setting-analysis-scope "mention")


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