The Kourier Integrator for U2 application uses the following files:
| File Name | Purpose |
| KT_BASECONTROL | This file contains system wide control setting for the Kourier software. |
| KT_CHECKSUM | Contains export checksum information which is used to filter records sent to an integration when the EXPORT-CHKSUM keyword is specified as an export option. |
| KT_CHGLOG | Contains export net change information which tracks changes to records. |
| KT_CONTROL | General configuration information associated with the Kourier module. |
| KT_EMAIL_TEMPLATES | Message templates for e-mails created in E-mail Message Template. |
| KT_EXPORTS | Exports specifications entered using Export Specifications. |
| KT_EXPORTSUB | This directory-type file contains the generated source code for any export that uses the formula feature in an export. |
| KT_INTEGRATION | Contains user defined properties entered using Integration. |
| KT_INTEGRATION_TYPE | Contains a list of user defined integration types. |
| KT_INTEGRATION_XREF | Contains user defined look-up values for a integration and integration type. |
| KT_IOTEMP | This directory-type file save temporary files that are transferred using the Kourier messaging sybsystem, or used to facilitate the transfer. |
| KT_LOG | Informational, warning, and error messages associated with numerous Kourier applications. |
| KT_MESSAGE | Contains a copy of the message header used to send a message to a DSN. The ,MESSAGE data section of this file contains the actual message sent. |
| KT_QCLASS | Control information associated with a Data Source Name (DSN) class. The information in this file should not be changed. |
| KT_QUEUES | DSN control information. A DSN can be created using Data Source Names. |
| KT_QUEUE_CONTROL | General configuration information associated with a DSN. |
| KT_QUEUE_DATA | This directory-level file contains routing information for each message sent to a DSN. The contents of each message are stored in the KT_QUEUE_DATA,MESSAGES file. |
| KT_RUNTIME_STATS | Contains statistical information about each run of an export. |
| KT_SCHEMA | Contains the results of the analysis done on a file by the Kourier Quick Start tools. |
| KT_SCHEMA_CONTROL | Contains control information for the files analyzed by the Kourier Quick Start tools. |
| KT_SERVICES | Control information associated with a Kourier Service. |