Get Sites, Web and List information from SharePoint Online site using PowerShell

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This PowerShell SharePoint tutorial, we will discuss how to get Sites, Web and List information from SharePoint Online site using PowerShell.

My client wants to know all the site collections, subsites, and lists in my SharePoint Online environment every month. To accumulate this information manually every month is a cumbersome and more possibility for errors.

I have written a PowerShell script to pull all this information. The script will get the below information from SharePoint Online:

  • Site Collections URL
  • Sub Sites URL
  • Lists name with hyperlink
  • List Item count

I am rendering through all the site collections and subsites in SharePoint online and adding an output to an HTML file. In the HTML file, I am creating a hyperlink to all the list/ libraries so that admin/business owner can navigate easily.

PowerShell Script to retrieve site collection URL in SharePoint Online

Below is the PowerShell script which you can run in Windows PowerShell ISE or using Visual Studio code.

function Get-SPOSiteInfo {
# Let the user fill in their admin url, username and password
$strSPOAdminUrl = Read-Host "Enter the Admin URL of SPO (eg. https://<Tenant Name>"
$strSPOAdminName = Read-Host "Enter the username of SPO (eg. admin@<tenantName>"
$strPwd = Read-Host "Please enter the password for $($strSPOAdminName)" -AsSecureString
# set credentials
$objCredentials = New-Object -TypeName System.Management.Automation.PSCredential -argumentlist $strSPOAdminName, $strPwd
$ObjSPOWeb = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($strSPOAdminName, $strPwd)
#connect to to Office 365
try {
Connect-SPOService -Url $strSPOAdminUrl -Credential $objCredentials
write-host "Connected succesfully to SPO!!!" -foregroundcolor green
catch {
write-host "Error: Could not connect to SPO, Contact Administrator !!!" -foregroundcolor red
Break Get-SPOSiteInfo
#create HTML file
$strOPFilePath = create-outputfile
#start getting site collections
add-content -value "
" -path $strOPFilePath

function create-outputfile() {
#Create unique string from the date
$strDate = get-date -format dd_MM_yyyy_hhmm
#set the full path
$strOPFilePath = "$($PSScriptRoot)\SPO-Site-Information$($strDate).html"
#test path
if (!(Test-Path -path $strOPFilePath)) {
#create file
New-Item $strOPFilePath -type file | out-null
#print info
write-host "Output File created: $($strOPFilePath)" -foregroundcolor Black -BackgroundColor Yellow
#add start HTML information to file
add-content -value "
<h1 style='text-align:center'>SharePoint Online Portal Information</h1>
<table border='5′ border-style='solid' border-collapse='collapse' border-color'black' style='font-family: Calibri, sans-serif;'>
<th style='background-color:yellow; color:black'>Site Collection/Web URL</th>
<th style='background-color:yellow; color:black'>Object Type</th>
<th style='background-color:yellow; color:black'>Site/ Web Template</th>
<th style='background-color:yellow; color:black'>Item Count</th>
" -path $strOPFilePath
else {
#break so there won't be duplicate files
write-host "Output file already exists, wait 1 minute" -foregroundcolor yellow
Break create-outputfile
return $strOPFilePath
function get-siteCollections {
#Get all site collections
$ObjSiteColls = Get-SPOSite
#Iterate through all site collections
foreach ($ObjSiteColl in $ObjSiteColls) {
#setting variables to align text in HTML File
$strWebpx = 0
$strListpx = 0
#add info to HTML document
add-content -value "<tr style='background-color:lightblue'><td>$($ObjSiteColl.url)</td><td>Site Collection</td><td>$($ObjSiteColl.template)</td><td></td></tr>" -path $strOPFilePath
write-host "Reading Site Collection: $($ObjSiteColl.url)"
#search for all Subsites for current Site Collection

function Get-SPOWebs($url) {
#fill metadata information to the client context variable
$objContext = New-Object Microsoft.SharePoint.Client.ClientContext($url)
$objContext.Credentials = $ObjSPOWeb
$objWeb = $objContext.Web
try {
#loop through all webs in the web and start again to find more subwebs
$strWebpx = $strWebpx + 10
$strListpx = $strListpx + 15
foreach ($objWeb in $objWeb.Webs) {
add-content -value "<tr style='background-color: cadetblue;color: white;'><td><span style='margin-left:$($pixelsweb)px'>$($objWeb.url)</td><td>Web</td><td>$($objWeb.webtemplate)</td><td></td></tr>" -path $strOPFilePath
write-host "Reading Sub-Site: $($objWeb.url)"
foreach($objLst in $objWeb.lists)
$objLstUrl= $objWeb.url.Replace($objWeb.ServerRelativeUrl,")+$objLst.RootFolder.ServerRelativeUrl
Write-Host "List/Library Found::" $($objLst.Title) "`t URL="$objLstUrl
add-content -value "<tr style='background-color: white;color: black;'><td><span style='margin-left:$($strListpx)px'><a href='$($objLstUrl)'>$($objLst.Title)</a></td><td>List/library</td><td></td><td>$($objLst.itemcount)</td></tr>" -path $strOPFilePath
catch {
write-host "Could not find web" -foregroundcolor red

Output in PowerShell Window:

Get Sites, Web and List information from SharePoint Online site using PowerShell

Output in HTML:

Get Sites, Web and List information from SharePoint Online site using PowerShell

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This PowerShell SharePoint tutorial, we learned how to get Sites, Web and List information from SharePoint Online site using PowerShell.

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About Krishna Vandanapu

I am Krishna.Vandanapu a SharePoint architect working in IT from last 13+ years, I worked in SharePoint 2007, 2010, 2013, 2016 and Office 365. I have extensive hands on experience in customizing SharePoint sites from end to end. Expertise in SharePoint migration tools like Sharegate, Doc Ave and Metalogix. Migrated SharePoint sites from SharePoint 2007 to 2010 and 2010 to 2013 several times seamlessly. Implementing CSOM with Microsoft best practices. Spent quality time in configuring SharePoint application services like User Profile, Search, Managed Meta data services etc. Now exploring SharePoint Framework and SharePoint 2019

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