• S3 Standard storage class to any other storage class.

• Any storage class to S3 Glacier or S3 Glacier Deep Archive storage classes.

• S3 Standard-IA storage class to the S3 Intelligent-Tiering or S3 One Zone-IA storage classes.

• The S3 Intelligent-Tiering storage class to the S3 One Zone-IA storage class.

• The S3 Glacier storage class to the S3 Glacier Deep Archive storage class.

• Any storage class to the S3 Standard storage class.

• Any storage class to the Reduced Redundancy storage class.

• The S3 Intelligent-Tiering storage class to the S3 Standard-IA storage class.

• The S3 One Zone-IA storage class to the S3 Standard-IA or S3 Intelligent-Tiering storage classes.

REFERENCES:

• AWS