Email address could not be found

If you get this error: "The e-mail address you entered couldn't be found." when sending email to student.

IT help central suggest to do two things,

1.  Update your copy of the Global Address List (GAL)
2.  Clear the AutoComplete cache in Outlook

Here is the instruction for different version of outlook

1. Update your copy of the Global Address List (GAL)

DO REMEMBER TO Uncheck the box next to Download changes since last Send/Receivebefore you click the download button

Office 2016

Outlook 2013

Select the Send/Receive tab on the Ribbon.

Click Send/Receive Groups and then click Download Address Book.

Click OK.

Outlook 2010:

https://www.askit.ttu.edu/portal/guestviewsolution.jsp?solutionid=110923125814644

Outlook 2007

http://accc.uic.edu/answer/how-manually-update-your-copy-global-address-list-gal-outlook

Outlook 2011 for Mac

No need to do this. Outlook 2011 for Mac does not use Exchange Cached mode and directly connects to the Global Address Book. In this case your global address book will update each time Send/Receive is pressed.

2. Clear the AutoComplete cache in Outlook

Outlook 2013:

https://www.askit.ttu.edu/portal/app/portlets/results/viewsolution.jsp?solutionid=150918122303295

Outlook 2010

http://www.groovypost.com/howto/microsoft/disable-clear-outlook-2010-auto-complete-cache/

Outlook 2007:

Close Outlook

Open Windows Explorer or IE and Paste %APPDATA%\Microsoft\Outlook into the address bar.

Delete the file Outlook.nk2 file in this folder

Outlook Web (if you use browser like, IE, firefox, chrome)

https://www.askit.ttu.edu/portal/app/portlets/results/viewsolution.jsp?solutionid=140929120020263&SToken=58C2D4F8EC6C214A2706D37DE848DA31

Outlook 2011 for Mac

https://www.askit.ttu.edu/portal/app/portlets/results/view2.jsp?k2dockey=140929124310582

 

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