1. OneDrive：
OneDrive 或 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，主要供专业工作者使用，用于存储可能需要更高安全性的工作相关数据。
2. 特雷索里特：
Tresorit 是 Tresorit 提供的云存储、文件同步和文件共享服务。它是最安全的云计算服务之一。它提供端到端的加密文件同步和文件共享服务。它由 Tresorit 于 2014 年推出。它提供 3 GB 的免费存储空间。它支持 Windows、macOS、iOS、Android、Windows Phone 和 Linux。
OneDrive 和 Tresorit 的区别：
| ONEDRIVE | TRESORIT |
|---|---|
| It is owned by Microsoft Incorporation. | It is owned by Tresorit. |
| It was launched in 2007. | It was launched in 2014. |
| It was developed by Microsoft. | It was developed by Tresorit. |
| It offers 5 GB free storage space. | It offers 3 GB free storage space. |
| Maximum storage size is 5 TB here. | Maximum storage size is 1000 GB here. |
| It does not have client-side encryption. | It has client-side encryption. |
| It supports developer API. | It does not support developer API. |
| It supports remote uploading. | It does not support remote uploading. |
| Maximum file size is 100 GB here. | Here maximum file size is 500 MB for free, 5 GB for premium and 10 GB for rest of paid plans. |
| It supports file versioning for office files only. | It supports file versioning for paid plans only. |
| It provides additional 500 MB free storage space for referral up to 5 GB. | It has no referral system for gaining free storage space. |