1. 保管箱：
Dropbox 是美国公司 Dropbox Incorporation 提供的文件托管服务。它提供云存储、文件同步、个人云和客户端软件。它成立于 2007 年。 Dropbox 是由两位麻省理工学院的学生 Drew Houston 和 Arash Ferdowsi 开发的。它仅提供 2 GB 的免费存储空间。它是最早的云存储服务之一。
2. 盒子：
Box 是 Box Incorporation 提供的云存储和文件托管服务。它是由Aaron Levie和Dylan Smith 开发的。它基本上是面向企业的云内容管理和文件共享服务。它提供 10 GB 的存储空间。它由 Box Incorporation 于 2005 年推出，适用于 Windows、macOS 等平台。
Dropbox 和 Box 的区别：
| DROPBOX | BOX |
|---|---|
| It is owned by Dropbox Incorporation. | It is owned by Box Incorporation. |
| It was launched in 2007. | It was launched in 2005. |
| It was developed by Drew Houston and Arash Ferdowsi. | It was developed by Aaron Levie and Dylan Smith. |
| It offers 2 GB free storage space. | It offers 10 GB free storage space. |
| It provides 2 TB maximum storage space for free unlimited storage space for paid. | It provides unlimited storage space for paid. |
| It supports less types of file formats. | It supports more types of file formats. |
| It has the maximum storage size of 5 TB. | Maximum storage size is 100 GB for personal accounts and unlimited for business accounts. |
| It supports file versioning. | It supports file versioning in premium accounts only |
| It does not support remote uploading. | It supports remote uploading of 30 MB per file via IFTTT. |
| Maximum file size in Dropbox is 10 GB for free and unlimited for paid. | Here maximum file is 250 MB for free, 5 GB for paid personal, 5 GB for business and enterprise accounts. |
| It uses block-syncing to update changes quickly. | It does not use block-syncing to update changes quickly. |
| It shares files through web applications. | While it shares files through links. |