Exporting from Outlook 2013
* Click File > Options > Advanced.
* In the Export section, click Export.
* In the Export section, click Export.
* In the Import and Export Wizard, choose Export to a file, and then click Next.
* Under Create a file of type, click the type of export you want, and then click Next.
* Select Comma Separated Values (CSV)
* Under Select the folder to export from, select the contact folder you want to export, and then click Next. (you can export only one folder at a time.)
* Under Save exported file as, click Browse, choose the folder where you want the file saved and type a name in the File name box.
* Click OK, and then click Next.
* You have the option to map fields for your contacts - just take defaults
* Click Finish. When the Import and Export Progress box disappears, your export is complete.
Importing into Zimbra via web client
* Click on the "Preferences" tab in the top menu
* Click on the "Import/Export" section in the left menu
* Click on the "Address Book" sub-tab under Preferences
* In the "Import" section, Click the "Browse" button and locate the the .CSV address book file to import
* The destination should read "Contacts"
* Click the "Import" button
