How to connect to CSV and Excel Files in SharePoint from Power BI

Power Query to Connect to CSV and Excel Files in SharePoint from Power BI
We can connect to the .CSV and .XLSX files using the below Power Query methods:

1) Source: SharePoint Files - SharePoint.Files Method:

Parameters:

sp_root_folder = https://sharepoint.com/sites/RootFolder/

sp_target_folder = Shared Documents/General/SubFolder/TargetFolder/

Excel File(.xlsx) :

let

    Source = SharePoint.Files(sp_root_folder, [ApiVersion = 15]),

    TargetFolder =
    Table.SelectRows(Source, each ([Folder Path] = sp_root_folder & sp_target_folder )),

    TargetFile = Table.SelectRows(TargetFolder, each ([Name] = "SourceFile.xlsx")),

    SelectContent = Table.SelectColumns(TargetFile,{"Content"}),

    Content = SelectContent{0}[Content],

    ImportXL = Excel.Workbook(Content){[Item= "Src_Data",Kind="Sheet"]}[Data],

    Promote_Headers = Table.PromoteHeaders(ImportXL, [PromoteAllScalars=true])

in

    Promote_Headers

Comma Delimited CSV File(.csv) :

let

    Source = SharePoint.Files(sp_root_folder, [ApiVersion = 15]),

    TargetFolder =
    Table.SelectRows(Source, each ([Folder Path] = sp_root_folder & sp_target_folder )),

    TargetFile = Table.SelectRows(TargetFolder, each ([Name] = "SourceFile.csv")),

    SelectContent = Table.SelectColumns(TargetFile,{"Content"}),

    Content = SelectContent{0}[Content],

    Import_CSV =
    Csv.Document(Content,[Delimiter=",", Columns=null, Encoding=65001, QuoteStyle=QuoteStyle.Csv]),

    Promote_Headers = Table.PromoteHeaders(Import_CSV, [PromoteAllScalars=true])

in

    Promote_Headers

2) Source: OneDrive Files - Web Method:
Parameters:

OneDrive_File_Path = /* Please specify your exact file path like below */

https://sharepoint.com/personal/userid_domain/Documents/SourceFolder/SourceFile.xlsx

Excel File(.xlsx):
let 

    Source = Excel.Workbook(Web.Contents(OneDrive_File_Path), null, true),

    Src_Data = Source{[Item="data",Kind="Sheet"]}[Data],

    Promote_Headers = Table.PromoteHeaders(Src_Data, [PromoteAllScalars=true])

in

    Promote_Headers

Notes: here, Item="SheetName"

Comma Delimited CSV File(.csv) :

let

    Source = Csv.Document(Web.Contents(OneDrive_File_Path),[Delimiter=",", Encoding=65001]),

    Promote_Headers = Table.PromoteHeaders(Source, [PromoteAllScalars=true])

in

    Promote_Headers

3) Source: Local Files - File.Contents Method:
Excel File(.xlsx):
let
Source = 
Excel.Workbook(File.Contents("T:\T_Tech_Lab\PowerBI_Lab\DataSets\ds_Sample.xlsx"), null, true),
tbl_Sales_Sheet = Source{[Item="tbl_Sales",Kind="Sheet"]}[Data],
Promote_Headers = Table.PromoteHeaders(tbl_Sales_Sheet, [PromoteAllScalars=true])
in
Promote_Headers

Comma Delimited CSV File(.csv):
let
Source = 
Csv.Document(File.Contents(""T:\T_Tech_Lab\PowerBI_Lab\DataSets\csv_Input.csv"),[Delimiter=",", Columns=12, Encoding=65001, QuoteStyle=QuoteStyle.None]),
Promote_Headers = Table.PromoteHeaders(Source, [PromoteAllScalars=true])
in
Promote_Headers

Tab Delimited Text File(.txt):
let
Source = 
Csv.Document(File.Contents(""T:\T_Tech_Lab\PowerBI_Lab\DataSets\txt_TabDelimited_Input.txt"),[Delimiter="#(tab)", Columns=12, Encoding=1252]),
Promote_Headers = Table.PromoteHeaders(Source, [PromoteAllScalars=true])
in
Promote_Headers

Notes:
We can set the Columns property to null as Columns=null instead of specifying the number of columns, to load all.

Thanks, Tamatam