1. 微软 OneDrive：
Microsoft OneDrive 是 Microsoft 提供的文件托管和同步服务。它为用户存储文件、个人数据和共享文件提供了便利。它提供 5 GB 的免费存储空间。它由微软于 2007 年推出。它通常被称为 OneDrive。它主要由专业工作者用来存储与工作相关的数据，这些数据可能需要更高的安全性。
2. 谷歌云端硬盘：
Google Drive 是 Google 提供的文件存储和同步服务。它允许用户存储文件和个人数据并共享文件。它提供 15 GB 的免费存储空间。它由 Google 于 2012 年推出。几乎每个与互联网有关的人都在使用它。每个人都用它来存储一些专业和个人数据。
Microsoft OneDrive 和 Google Drive 的区别：
| MICROSOFT ONEDRIVE | GOOGLE DRIVE |
|---|---|
| It is owned by Microsoft Corporation. | It is owned by Google LLC. |
| It was launched in 2007. | It was launched in 2012. |
| It offers 5 GB free storage space. | It offers 15 GB free storage space. |
| It allows to set expiry dates on links. | It does not allow to set expiry dates on links. |
| It charges less for additional storage that means it is less costly. | It charges comparatively more for additional storage that means it is more costly. |
| It charges $9.99 per month for 5 TB. | It charges $9.99 per month for 2 TB. |
| The number of users using OneDrive is less . | The number of users using Google Drive is more. |
| It is a bit more secure comparatively. | It also provides full security of data. |
| It is mostly used in professional works. | It is used for both professional and personal works. |