with Table.PromoteHeaders

Code:
let
    Source = Excel.Workbook(File.Contents("(path_to_the_file)\fakedata-0p7sxQX3Zv8cX2nyJaCYn.xlsx"), null, true),
    #"fakedata-0p7sxQX3Zv8cX2nyJaCYn_Sheet" = Source{[Item="fakedata-0p7sxQX3Zv8cX2nyJaCYn",Kind="Sheet"]}[Data],
    #"Promoted Headers" = Table.PromoteHeaders(#"fakedata-0p7sxQX3Zv8cX2nyJaCYn_Sheet", [PromoteAllScalars=true])
in
    #"Promoted Headers"

without Table.PromoteHeaders

Code:
let
    Source = Excel.Workbook(File.Contents(("(path_to_the_file)\fakedata-0p7sxQX3Zv8cX2nyJaCYn.xlsx"), true, true),
    #"fakedata-0p7sxQX3Zv8cX2nyJaCYn_Sheet" = Source{[Item="fakedata-0p7sxQX3Zv8cX2nyJaCYn",Kind="Sheet"]}[Data]
in
    #"fakedata-0p7sxQX3Zv8cX2nyJaCYn_Sheet"
one line less and the effect is the same

name phone email address postalZip region country list
Porter Franklin (625) 763-3454 urna.nec@protonmail.net 949-736 Vitae St.
16112
 Lipetsk Oblast Nigeria
11
Kasimir Ramirez (394) 402-7467 ante.lectus@outlook.couk Ap #611-325 Lectus Ave
60746
 Zuid Holland Austria
7
Darius Stone 1-184-757-7028 ipsum.dolor@protonmail.net P.O. Box 830, 967 Orci Rd.
30546
 Madhya Pradesh China
3
Linus Jarvis 1-839-469-3822 feugiat.metus@outlook.edu Ap #965-6264 Suspendisse Road 05-958 South Island Chile
1