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Object Storage Service:ossutil command reference

Last Updated:Aug 24, 2026

ossutil is the official Object Storage Service (OSS) command line tool provided by Alibaba Cloud. You can use ossutil when you need to quickly upload large objects, download objects, or share objects.

ossutil 1.6.16 and later

Starting from ossutil 1.6.16, you can use ossutil directly as the binary name in the command line. You do not need to change the binary name based on your operating system.

Operating system

Binary name

64-bit Linux

ossutil

32-bit Linux

64-bit Windows

32-bit Windows

64-bit macOS

32-bit macOS

64-bit ARM

32-bit ARM

ossutil earlier than 1.6.16

If your ossutil version is earlier than 1.6.16, you must use the binary name that corresponds to your operating system.

Operating system

Binary name

64-bit Linux

ossutil

32-bit Linux

./ossutil32

64-bit Windows

ossutil64.exe

32-bit Windows

ossutil32.exe

64-bit macOS

./ossutilmac64

32-bit macOS

./ossutilmac32

64-bit ARM

./ossutilarm64

32-bit ARM

./ossutilarm32