And how about file dates of attachments?
It's breaktaking, how mentally clueless Microsoft is on matters involving "computers".
Commonly you can reduce your mailbox size with removing large email messages, and the easiest way to find out large email messages is to sort by message size. But how to display and view messages’ sizes in Outlook? What if email messages’ properties? There are a couple of tricks to help you solve it with ease.
In the first section we will guide you to view the sizes of all email messages in one folder easily.
Step 1: Shift to the Mail view with click the Mail in the Navigation Pane.
Step 2: Select and highlight the email folder in which you will view the size of messages.
Step 3: Turn off the Reading Pane with clicking the Reading Pane > Off in the Layout group on the View tab in Outlook 2010 / 2013.
If you are using the Outlook 2007, please click the View > Reading Pane > Off.
Then you can view the size of all email messages in the Size column. See the following screen shot:
Note: To sort these messages by size, please click the Size column which locates on the top of the whole email size.
This section will walk you through viewing the size and properties of the selected email message in Microsoft Outlook quickly.
Step 1: Shift to the Mail view with clicking the Mail in the Navigation Pane.
Step 2: Open the email message that you will view its size and properties with double clicking.
Step 3: View the size and properties of the opened message:
If you are using the Outlook 2007, please click the Office button > Properties. The message’s size and properties display in the coming Properties dialog box.
If you are using the Outlook 2010 and 2013, please click the File > Info.
Then you will get the size of this opened email message besides the Properties button immediately. See the screen shot above.
If you need to view this email message’s properties, please go on to click the Properties button, and you will see the message’s properties at once in the Properties dialog box. See the following screen shot: