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Office 365 Size Limits
and Retention Periods

Folder / Item

Limit / Retention Period

Size limit for Primary Mailbox

50 GB

Retention of items in Deleted Items folder

30 days

Retention of items removed from Deleted Items folder

14 days

Retention of items in Junk Email folder

30 days

Determine how much Mailbox storage space you are using

 

  1. Open a Web browser and go to http://portal.microsoftonline.com
  2. Log in using your email address and password
  3. Click Outlook, which is located in the blue bar on top of the page
  4. In the upper right, click the gear icon and choose Options
  5. Mailbox Usage will be displayed under your Account Information, which will tell you how much storage you are using of the 50GB size limit

Recover Deleted Items

Outlook 2010/2013
  1. Open Microsoft Outlook 2010/2013
  2. Click on the Deleted Items folder
  3. Click on the Folder ribbon tab
  4. Next, click Recover Deleted Items
  5. Outlook will now display all recoverable items that have been deleted in the past 14 days.
    NOTE: Items can only be recovered within 14 days of being purged from the Deleted Items folder.
  6. Select the item(s) that you wish to recover 
  7. At the top of the box there are three icons, click the middle icon that has an envelope with an arrow above it. 
  8. After clicking that button, your messages will appear in your deleted items folder
Outlook 2011 for Mac
  1. Open Microsoft Outlook 2011
  2. Click on the Deleted Items folder
  3. Look to see if the deleted email you want to recover is listed in the Deleted Items folder. If it is, then simply drag and drop the email from the Deleted Items folder into a different folder.
  4. If you cannot find the email you want to recover in your Deleted Items folder, you will need to log in to the Office 365 Web Access portal to recover it (see instructions below).
    NOTE: Items can only be recovered within 14 days of being purged from the Deleted Items folder.
Office 365 Web Access
  1. Open a Web Browser
  2. Log into your account at https://portal.microsoftonline.com
  3. Right click on the Deleted Items folder
  4. Choose Recover Deleted Items
  5. Select the message(s) you wish to recover
    NOTE: Items can only be recovered within 14 days of being purged from the Deleted Items folder.
  6. Click Recover deleted items to recover the item. (NOTE: If you click Delete the messages will be purged.)
  7. Select the folder you want to recover the item to and click Recover
  8. Repeat this process for any other message(s) you wish to recover

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North Dakota State University
IT Help Desk Phone: +1 (701) 231-8685
Administrative Calls Only: +1 (701) 231-7961 / Fax: (701) 231-8541
Campus address: Quentin Burdick Building 206
Physical/delivery address: 1320 Albrecht Blvd, Fargo, ND 58102
Mailing address: NDSU Dept. 4510 / PO Box 6050 / Fargo, ND 58108-6050
Page manager: Information Technology Services

Last Updated: Thursday, February 20, 2014 11:11:04 AM