Login to your Hotmail account at Outlook.com and in the bottom left corner click People.
In the top toolbar click “Manage” and Click “Export contacts”
Choose “All Contacts” and “Microsoft Outlook CSV” and click Export in the top right corner. Save the file.
Now Login to your Webmail account in Outlook,click file in the top toolbar and choose Import.
Choose “Import from another program or file” (Windows) – “Contacts or messages from a text file” (Mac). Click the next arrow in the bottom right corner.
Choose “Comma Separated Values” (Windows) – “Import contacts from a tab- or comma-delimited text file” (Mac) and the next arrow.
(Windows Only) Click Browse.
Choose the file you saved previously from Hotmail.
Click “Ok” (Windows) – “Import” (Mac)