The Sent Items folder low watermark value must be smaller than the high watermark value.

“已发送传真”文件夹的低水位线值必须小于高水位线值。

Try selecting the Sent Items folder and using Outlook's Search feature to look for the document's name.

尝试选中已发送邮件箱，然后以文档名用Outlook的搜索功能进行搜索。

Users are given an Inbox and Sent items list at first blush and adding todos to your inbox is extremely easy.

用户在首次网页刷新后会得到收件箱、发件箱和极度方便加入收件箱的代办事宜。

If so, a copy of the document may still be in Outlook's sent Items folder, attached to the email message you sent.

若如此，该文档的备份可能还在Outlook的已发送邮件箱中，找到那条你发出的邮件。

Many items of mail being sent to her have gone astray.

很多寄给她的邮件都丢失了。