--- title: "Data Destination - Amazon S3" slug: "data-destination-s3" updated: 2024-10-07T05:27:16Z published: 2024-10-07T05:27:16Z canonical: "documents.trocco.io/data-destination-s3" --- > ## Documentation Index > Fetch the complete documentation index at: https://documents.trocco.io/llms.txt > Use this file to discover all available pages before exploring further. # Data Destination - Amazon S3 ## summary Help Page for ETL Configuration of Data Settings for Amazon Web Services' S3. About Amazon S3 and TROCCO use cases TROCCO's product website provides [examples of](https://blog.trocco.io/interview_practical_use/s3) customer [installations](https://blog.trocco.io/interview_practical_use/s3). Please refer to this page together with this help page. ## constraints - none in particular ## Setting items ### STEP1 Basic settings | item name | indispensable | default value | Contents | | --- | --- | --- | --- | | S3 Connection Configuration | Yes | - | Select the previously registered Connection Configuration that has the necessary permissions for this ETL Configuration. Please refer to [another page](/docs/connection-configuration-s3) for Connection Configuration. | | region | Yes | ap-northeast-1 | Enter the region you specified when creating the bucket to be used. For an explanation of regions, please refer to the [official AWS page](https://aws.amazon.com/jp/s3/faqs/). | | bucket | Yes | - | Specify the name of the Data Destination bucket. | | path prefix | Yes | - | Specify the Data Destination path prefix. TROCCO outputs multiple files in the Data Destination bucket, beginning with the path prefix. | | Output file extension | Yes | .csv | You will be asked to specify the extension of the output file. You can specify any extension you wish, but it is common to specify `.csv, etc.` to match the file format. | | ACL | Yes | - | Access control lists (ACLs) manage permissions to access buckets and objects. You may choose any of the ACLs specified in Amazon S3. [For](https://docs.aws.amazon.com/ja_jp/AmazonS3/latest/dev/acl-overview.html#canned-acl) more information on each ACL, [click here.](https://docs.aws.amazon.com/ja_jp/AmazonS3/latest/dev/acl-overview.html#canned-acl) | | Output file format | Yes | CSV | You can choose the output file format. For more information, please [click here.](/docs/configuration-of-output-files) | | file compression | Yes | uncompressed | If you wish to transfer compressed files, please select a compression format from the following. - **gzip** - **bzip2** - **zip** | | transfer mode | Yes | parallel transfer | Select either **Parallel Transfer** or **Output File Count Control** as the transfer mode. When output file count suppression transfer is selected, file generation is performed internally with less parallel processing. If Data Source is a single file, Data Destination will be generated with a single file. | ### STEP2 Detailed settings | item name | default value | Contents | | --- | --- | --- | | Naming Conventions for Multiple File Output | .%03d.%02d | You can set the rules for naming files when outputting multiple files. |