To export the GAL to Microsoft Excel, you first need to move it to a Contacts folder in Outlook.

Part One: Start with exporting your Outlook contacts to a .CSV file.

See Part One for instructions on how to export Outlook contacts to Excel for data management. Long field names are a pain—they use too much space and take forever to type—so shorten them.

Learn how to export contacts from Outlook using this guide. You backup all contacts or export the entire contact list from Outlook.

CodeTwo Outlook Export creates an Excel file containing only the information you specify from your mail, contact, calendar, and other data folders.

This manual way to migrate contacts from Excel spreadsheet to Outlook discussed here needs mainly 2 steps. And they are, Exporting Excel to CSV format and then importing CSV to Outlook account.

Export and import your Outlook contacts manually or use the $35 ShareO add-on for Outlook to sync contacts automatically with other Outlook users.