Why can't I release more than five messages in Proofpoint?

If you try to release and or safelist more than five messages, you will receive the following error:

spam.huit.harvard.edu says:

Release and Allow Sender : Cannot be performed on more than 5 message/messages.

This is a setting maintained by Proofpoint in order to insure that you do not release spam or phishing messages into your in box. This setting cannot be changed.

My attachments sent to Mac users from Outlook turn into winmail.dat files. Why can't they open them?

This is due to Outlook decrypting the file in RTF format. To avoid this issue you may change your Outlook settings by following these instructions:

Open up your Outlook email client.
Click on File located in the upper toolbar.
Select the Options setting.
From here, select the Mail category.
Now, under Compose messages, you want to ensure the HTML or Plain Text option is...

What happens to my data in Office 365 when I leave the University?

If you are a staff member, your Office 365 data is immediately deleted on the day you leave the University. This includes your email, calendar, contacts and OneDrive files (including documents you've shared). Documents stored in a Team Site (SharePoint) or Office365 Group will not be deleted. Prior to your departure from the University you should coordinate with your manager and provide copies of any and all business critical documents stored in your OneDrive or email. Your account is recoverable for a period no greater than 30 days from the date your...

How do I move my local email archives to my new mailbox?

If your archive files are connected to your Outlook profile, you can simply drag and drop your messages and folders into your Office 365 Outlook mailbox for online access from virtually anywhere!

Please contact your local support desk if you need assistance.

How do I connect to my mailbox using IMAP?

HUIT does not recommend using IMAP or POP to connect to your Office 365 Outlook mailbox. Email clients that are configured via IMAP will experience a variety of limitations, security and performance issues. These issues include:

Loss messages due to data throttling which occurs when you are attempting to move mail. Throttling is controlled by Microsoft and cannot be changed, adjusted, or removed

Most system message flags and all custom flags are not supported. Only the "Read/unread" and "Important" flags are available.
...

How do I access the Outlook on the web for Office 365?

While your existing URL for Outlook on the web will still work, we recommend updating your bookmarks to mso.harvard.edu. From there you can launch the Outlook Web App directly from the homepage by clicking the Office 365 Email & Calendar link in the upper right-hand corner of the page.

You can also access the...

Is Office 365 Outlook secure? Can I email confidential information?

All information is sent to and from Office 365 Email & Calendar via a secure connection, however, you should never use email to transfer HRCI or other confidential information. Please refer to the Harvard Enterprise Information Security Policy (HEISP) for help determining what data is considered to be confidential.

What is Microsoft Office 365?

Office 365 (O365) is a fully-integrated suite of services geared to help people collaborate more effectively. O365 combines document sharing, email and calendaring, common Office applications, and social-networking tools into a single, web-based platform. Because the services and your data are in the cloud, you have access from virtually anywhere at any time.

The Harvard suite of tools currently includes:

Office 365 Email & Calendar - All of the familiar email, calendaring and personal information management features you're used to,...

Email Basics