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User Case: How do I transfer Dropbox to AWS S3


Hi, I have a newbie question: Is it possible to transfer data from S3 to Dropbox and vice versa, ideally programmatically in Python. It would be great, if possible, to achieve it without the need to download to a local machine and then sync/upload, as the files might be huge. If it is doable, what is the best plan? Does Dropbox plus work fine? Thank you very much!

- Question from Dropbox Community

Why Make Dropbox to S3 Migration?

Transfer from Dropbox to S3
Transfer from Dropbox to S3

Dropbox and Amazon S3 are two popular cloud storage services that differ in terms of features, pricing, and target audience. Specifically, Dropbox is focusing on file collaboration, which offers an array of features such as Dropbox file requests, team collaboration, and integration with other platforms. It is designed for individual users and small to medium-sized businesses.

Amazon S3 is a cloud storage service that is designed to meet the needs of enterprise-level users and developers seeking a secure, scalable, and dependable platform for data storage and retrieval. It is highly flexible and offers features such as object storage, versioning, access control, and data lifecycle management.

So, why move data from Dropbox to Amazon S3? There are various reasons, for example:

  • Cost Savings: Dropbox charges users a fixed monthly fee per user, irrespective of the storage space used, while Amazon S3 charges only for the storage space used with no minimum fee. S3 also provides flexible storage classes and pricing tiers based on access frequency, enabling users to optimize their storage costs.
  • More Secure: While Dropbox and S3 both provide strong security features like encryption, access controls, and auditing, S3 is typically viewed as the more secure option due to its additional features like bucket policies, versioning, and multi-factor authentication.

So, how to transfer Dropbox to S3? You can read the following content to learn the 2 methods. One is to use the download-and-upload method. And the other is to utilize a cloud transfer service called MultCloud.

How to Make Dropbox to S3 Migration [Manual]

One manual method to transfer Dropbox to Amazon S3 involves downloading files from Dropbox and then uploading them to Amazon S3. To ensure a smooth transfer, it is essential to have a stable internet connection throughout the download-and-upload process. Here are the steps to follow:

Step 1: Log in to your Dropbox account on the web. Then select the data you want to move to Amazon S3 and Download it on your PC.

Download from Dropbox
Download from Dropbox

Step 2: Head to your Amazon S3 on the web, then locate the bucket to save your downloaded data. Then Upload what you have downloaded from Dropbox.

Upload to Amazon S3
Upload to Amazon S3

How to Make Dropbox to S3 Migration [Auto]

Using the download-and-upload method is useful and simple. However, if you have large numbers of files, the process will be long and sometime it might be stuck due to various reasons. To make it easier, you can take advantage of a professional cloud-to-cloud transfer service called MultCloud. It can help you make Dropbox to S3 integration and migration easily and seamlessly.


MultCloud is a widely used cloud file management tool that enables you to link various cloud storage services available in the market, such as Google Drive, Dropbox, SharePoint, Amazon S3, OneDrive, Google Photos, Dropbox Business, OneDrive for Business, Wasabi, MEGA, Flickr, pCloud, Box, Box for Business, iCloud Photos, and many more.

By integrating all the cloud services you use with MultCloud, you can efficiently manage them without the need for frequent account switching. This tool enables you to easily perform a range of basic features. For instance, you can upload and share documents. Moreover, it facilitates seamless and direct transfer of files and folders between cloud drives and there are some details:

  • Safe. To guarantee the safety and confidentiality of your data, MultCloud utilizes 256-bit AES encryption to secure file transfers and cloud storage. Furthermore, to safeguard your account, MultCloud offers two-factor authentication for added protection.
  • User-Friendly. You can keep track of your transfer progress and status in real-time using MultCloud, which provides you with detailed information on the files being transferred, their size, transfer speed, and estimated time of completion.
  • Smart. You can save time and effort by scheduling automatic transfer tasks to run at specific times, whether it's daily, weekly, monthly, or at a specific time.
  • Intelligent. You can halt, restart, or terminate transfer tasks at your discretion, giving you greater flexibility and control over your cloud management.

To learn how to make Dropbox to S3 migration using MultCloud, please follow the steps outlined below.

Step 1: Sign up an account of MultCloud on the website.

Step 2: Go to the Add Cloud, hit the Dropbox icon to add, then grant MultCloud permission by following the on-screen instructions. Later, use the same way to add Amazon S3.

Add Dropbox and S3
Add Dropbox and S3

Step 3: Now, hit the Cloud Transfer button on the left navigation bar. Next, press the first square to choose Dropbox and the second square to select S3. Later, start the process by tapping the Transfer Now button.

Transfer Dropbox to Amazon S3
Transfer Dropbox to Amazon S3

Similarly, you can transfer S3 bucket to another account via MultCloud as well. Anyway, this service makes it easier to move files from one cloud to another on the web and you don’t need to move data manually.

Final Words

After reading this article, you now know how to make Dropbox to S3 migration in 2 ways. In a word, if you don’t want to use any third-party service, you can use the download-and-upload method. And if you have a large number of files, you can turn to MultCloud.

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