All uploads and downloads are transmitted in a .zip archive file format. You must compress and encrypt the signed FATCA data file in a .zip compressed file format using a compatible compression utility on Windows, Unix/Linux or OS X. Unrecognized compression methods will cause file transmissions to fail.

Tool

Version

Host system

WinZip 17.5 Windows
7-Zip 9.20 Windows or Linux
Windows built-in Zip Utility N/A Windows
Linux/Unix standard Zip Utility (zip) N/A Linux/Unix
Apple built-in Archive Utility MAC OS X 10.3 and later MAC