SharePoint Online: Restore Deleted Items from Recycle Bin using PowerShell

• Navigate to the SharePoint Online site where you want to restore deleted items from the recycle bin. 
• Click on Settings gear >> Choose "Site Contents" link from the site settings menu.
• On the Site Contents page, click the Recycle Bin link, located to the top-right section. You will be navigated to the Recycle Bin page for the site (not site collection!), which lists all items in the recycle bin.
  
• To restore items from the site recycle bin, On the Recycle Bin page, check the box for each
  Item you want to restore and click the "Restore Selection" link.
  
  

• Navigate to the top-level site in the site collection (Root Web).
• Click on Settings >> Select "Site Settings" link from the Settings menu.
• On the Site Settings page, Click on "Recycle Bin" link from the "Site Collection Administration" section. Now, you can follow the same steps to restore any item in Site collection Administrator recycle bin.
  

#Load SharePoint Online Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"
    
##Variables for Processing
$SiteUrl = "https://crescent.sharepoint.com/sites/marketing/"
$DeletedByUserEmail = "salaudeen@crescent.com"

#Get Credentials to connect
$Cred= Get-Credential
  
Try {    
    #Setup the context
    $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteUrl)
    $Ctx.Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)
     
    #Get the Site recycle bin
    $Site = $Ctx.Site
    $RecycleBinItems = $Site.RecycleBin
    $Ctx.Load($Site)
    $Ctx.Load($RecycleBinItems)
    $Ctx.ExecuteQuery()
 
    #Get all items deleted by a specific user
    $DeletedItemsByUser = $RecycleBinItems | Where {$_.DeletedByEmail -eq $DeletedByUserEmail}
    Write-Host "Total Number of Items Deleted by User in Recycle Bin:" $DeletedItemsByUser.Count
     
    #sharepoint online restore deleted files using PowerSehll
    $DeletedItemsByUser | ForEach-Object { $_.Restore(); Write-host "Restored Itme:"$_.Title }
    $Ctx.ExecuteQuery()    
}
catch {
    write-host "Error: $($_.Exception.Message)" -foregroundcolor Red
}

#Load SharePoint Online Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"
    
##Variables for Processing
$SiteUrl = "https://crescent.sharepoint.com/sites/marketing/"
$DeletedDate = (Get-Date).Date #Get Today's Date

#Get Credentials to connect
$Cred= Get-Credential
  
Try {    
    #Setup the context
    $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteUrl)
    $Ctx.Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)
     
    #Get the Site recycle bin
    $Site = $Ctx.Site
    $RecycleBinItems = $Site.RecycleBin
    $Ctx.Load($Site)
    $Ctx.Load($RecycleBinItems)
    $Ctx.ExecuteQuery()
 
    #Get all items deleted on given date
    $DeletedItems = $RecycleBinItems | Where { ($_.DeletedDate).Date -eq $DeletedDate }
    Write-Host "Total Number of Items Deleted on given Date:" $DeletedItems.Count
     
    #Restore items from Recylce bin
    $DeletedItems | ForEach-Object { $_.Restore(); Write-host "Restored Item:"$_.Title }
    $Ctx.ExecuteQuery()    
}
catch {
    write-host "Error: $($_.Exception.Message)" -foregroundcolor Red
} 

#Parameter
$SiteURL= "https://crescent.sharepoint.com/sites/marketing/"

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get All Items Deleted in the Past 7 Days
$DeletedItems = Get-PnPRecycleBinItem | Where { $_.DeletedDate -gt (Get-Date).AddDays(-7) }

#Restore Recycle bin items matching given query
$DeletedItems | Restore-PnpRecycleBinItem -Force

#Parameter
$SiteURL= "https://crescent.sharepoint.com/sites/marketing/"
$DirPath = "sites/marketing/Shared Documents"

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get All Items deleted from a specific path or library
$DeletedItems = Get-PnPRecycleBinItem | Where { $_.DirName -like "$DirPath*"} | Restore-PnpRecycleBinItem -Force

Get-PnPRecycleBinItem | Restore-PnpRecycleBinItem

Get-PnPRecycleBinItem | Where { $_.DeletedByEmail -eq "salaudeen@crescent.com"} | Restore-PnpRecycleBinItem -Force