S3Express: Amazon S3 Command Line Utility

Amazon S3 command line utility for Windows. Copy, query, backup multiple files to S3 using the Windows command line.

S3Express FAQ and Knowledge Base

Main Page > Browse Categories > Release History > Version 1.3.3 (Jun 2014)

Version 1.3.3 (Jun 2014)

New Features:

  • Added -nomd5existcheck switch to put command. This new switch can be used to disable cross-checking of MD5 values. See help file for more information.
  • Added -minoutput switch to put command. This new switch can be used to minimize the output that is shown in the S3Express console during a put operation.


  • Automatic retry upload if Amazon S3 servers return "slow-down" or "internal error, please retry".
  • Fixed issue with uploading certain files larger than 2GB. Tested multiple uploads of files as large as 100GB or more in multipart upload mode.
  • Added progress report to S3Express output when listing S3 buckets (or local folders) that contain a large amount of files (e.g. one million files or more).

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