Network upload to import PST files to Office 365

https://support.office.com/en-gb/article/Use-network-upload-to-import-PST-files-to-Office-365-103f940c-0468-4e1a-b527-cc8ad13a5ea6?ui=en-US&rs=en-GB&ad=GB

Excel Vlookup Formula

=VLOOKUP(A2,B:B,1,FALSE)

A2- First Row
B:B- Entire Second Row
1- Index
False- Extact match