Glen's Exchange and Office 365 Dev Blog

As I had a few questions about exporting contacts to CSV from both Mailbox and Public folders I've added some new functions to the my EWS contacts module to make this easier.  I've added to new cmdlets the first is Export-ContactsFolderToCSV This will export a contacts folder to CSV's either the default Contacts Folder in a Mailbox or a secondary Contacts folder if you enter in the FolderPath eg to export the Default contacts Folder use Export-ContactsFolderToCSV - MailboxName user@domain.com -FileName c:\exports\contacts.csv To export a Secondary Contacts Folder use Export-ContactsFolderToCSV - MailboxName user@domain.com -FileName c:\exports\contacts.csv -Folder \Contacts\SecondContactsFolder Export-PublicFolderContactsFolderToCSV This will export a Public Contacts Folder to a CSV file to use this use Export-PublicFolderContactsFolderToCSV -MailboxName mailbox@domain.com -FileName c:\exports\PublicFolderexport.csv -PublicFolderPath \folder\folder2\contact...

One of the recurring questions you see asked in Forums around EWS is the ability to see all the Room Mailboxes in Exchange. This is pretty reasonable request that hasn't really had an easy answer in the past there are RoomLists but these required setup and ongoing maintenance and coordination  which can be troublesome. If you where using OnPrem exchange then instead of using EWS you could just use LDAP to lookup Active Directory directly (as well all know AD is the directory service for Exchange) eg back in 2007 I created this http://gsexdev.blogspot.com.au/2007/04/webservice-to-find-room-and-equipment.html . With Office365 you don't have LDAP access to the directory and the Graph API while its good doesn't offer access to the particular property on a User or Directory Object that would allow you to tell if that object has an associated Room (or group or shared mailbox). The good news however is the Graph API  now gives you the ability to pull all the Room Mailbox using f...