# Files

- [CSV Database](/apprules-r-documentation/platform/platform-features/system-settings/data-sources/connection-settings/files/csvdatabase.md)
- [Fixed Length File](/apprules-r-documentation/platform/platform-features/system-settings/data-sources/connection-settings/files/fixed-length-file.md)
- [Delimited File](/apprules-r-documentation/platform/platform-features/system-settings/data-sources/connection-settings/files/delimited-file.md)