By default, Bucket Explorer uploads file with size more then 32 mb in multipart.
Follow the steps to upload file using multipart
1. Run Bucket Explorer
2. Start upload for the file which is greater than 32 mb in size.
See; how to start uploadhttp://www.bucketexplorer.com/documenta ... to-s3.html
3. You will see, the upload queue will have multiple parts being uploaded
And if you want to upload files (with size more than 5 mb) in multipart, change the detault size with following steps
# Go to config folder. Config folder exists at root path where exe has been kept.
# Open BucketExplorer.xml file.
# Search for tag <FileSizeForMultipartUpload>. This tag contains the value 32. Change it to 5.
# Run the Bucket Explorer again, and run the upload again.
Now file which are greater than 5 mb in size, are uploaded using multipart.