It's still in development, but soon will be adding file synchronization, the ability to make projects public or private, and better archiving.

它仍在开发中，但是很快就会加入文件同步，该功能可以使项目公开化或私有化，也可以更好地归档。

youdao

The mail body or file attachments are changed, and there are some hidden fields added or modified during archiving and retrieval.

在存档和获取期间，会修改邮件体或文件附件并添加或者修改一些隐藏的字段。

youdao

Entire message archiving - Archive everything, including message body, attachments, and message properties into a file of type MSG.

完整消息存档——将全部内容(包括消息体、附件和消息属性)保存到一个msg类型的文件。

youdao