How to Export Active Directory Users to CSV and Build Reports

Published:22 October 2021 - 7 min. read

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Anthony Metcalf

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For many Active Directory (AD) admins, retrieving users from AD was an entry point to PowerShell. PowerShell is a powerful tool for interrogating systems, and Active Directory is no exception. Searching for and returning AD users with PowerShell is just the beginning. Let’s take that up a notch and export Active Directory users to CSV!

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In this tutorial, you will learn how to perform some basic AD queries with PowerShell and create handy reports. Using PowerShell, you will learn to format output by renaming columns, merging text fields, and performing calculations to develop valuable reports.

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Prerequisites

This tutorial will be a hands-on demonstration. If you’d like to follow along, be sure you have the following:

Getting Comfortable with the Get-ADUser PowerShell Cmdlet

Before creating reports, you must first figure out how to find the AD users you’d like to export Active Directory users to CSV. To do that, you’ll use the Get-ADUser cmdlet. The Get-ADUser cmdlet is a PowerShell cmdlet that comes with the PowerShell ActiveDirectory module.

Open a PowerShell console and run the Get-ADUser cmdlet using the Filter parameter and argument of *. Using an asterisk with the Filter parameter tells Get-ADUser to return all AD users. You’ll create more sophisticated filters a bit later.

Get-ADUser -Filter *
The Get-AdUser cmdlet returning all users
The Get-AdUser cmdlet returning all users

By default, the Get-ADUser cmdlet will return the following properties:

  • DistinguishedName – The full LDAP name of the user object.
  • Enabled – Is the user enabled, true or false.
  • GivenName – The user’s first name.
  • Name – The user’s full name.
  • ObjectClass – The type of AD object this is.
  • ObjectGUID – The ID of the AD object.
  • SamAccountName – This was the login name up to Windows NT4.0
  • SID – Another type of Object ID.
  • Surname – The user’s last name.
  • UserPrincipalName – The user’s login name.

In your report, you probably don’t need all of these properties. By default, Get-ADUser also returns the built-in domain Administrator and Guest accounts. You almost certainly want to exclude those. You’ll learn how in the following sections.

Limiting Searches to OUs with the SearchBase Parameter

AD users can be spread across sometimes dozens of organizational units (OUs). Sometimes, you need to limit the search to only a particular OU. To do that, you can use the SearchBase parameter. The SearchBase parameter allows you to specify a single OU as a starting point to search for users.

For example, perhaps you have an ATA-Users OU with various department OUs inside, as shown below. Inside the department OUs contains all of the user accounts you’d like to include in your export to CSV.

Example AD OU structure
Example AD OU structure

You can define the SearchBase argument as ATA-Users OU’s distinguished name (DN) like below to limit the search to the ATA-Users OU and all OUs inside.

Get-ADUser -Filter * -SearchBase "OU=ATA-Users,DC=ATA,DC=local"
Get-AdUser Unfiltered Searchbase
Get-AdUser Unfiltered Searchbase

The output above displays many different properties for each user, but let’s limit that down a bit only to show the properties you might be interested in. To do this, use the Select-Object cmdlet only to return the Name and UserPrincipalName properties.

Get-ADUser -Filter * -SearchBase "OU=ATA-Users,DC=ATA,DC=local" | select Name,UserPrincipalName
Get-ADUser Searchbase2
Get-ADUser Searchbase2

Perhaps you’d like to only export Active Directory users to CSV in the Sales OU. To do that, specify the Sales OU in the SearchBase parameter like below.

Get-ADUser -Filter * -SearchBase "OU=Sales,OU=ATA-Users,DC=ATA,DC=local" | select Name,UserPrincipalName
Get-ADUser Unfiltered Searchbase3
Get-ADUser Unfiltered Searchbase3

Filtering AD User Accounts from Get-ADUser

Up to this point, you have ignored the Filter parameter by simply specifying an asterisk to return all users. But if you need to query only certain users matching specific criteria, the Filter parameter is your friend.

Let’s say you’d like to eventually export all Active Directory users to a CSV inside of the ATA-Users OU, but only if they have their Department AD attribute set to Sales like the example user account below.

An AD user account with Sales as a Department attribute
An AD user account with Sales as a Department attribute

Using the Filter parameter on Get-ADUser, specify the AD attribute (Department), the operator -eq equating to “equal to” and the value of the Department attribute (Sales).

Get-ADUser -Filter {Department -eq "Sales"} -SearchBase "OU=ATA-Users,DC=ATA,DC=local"| select Name,UserPrincipalName

If you have users inside the ATA-Users OU with the Department attribute set to Sales, Get-ADUser will only return those users.

Get-ADUser only returning Sales users
Get-ADUser only returning Sales users

Maybe you’d like to include the Department attribute in the output. To do that, you’d typically specify the Department property as another property to show via the Select-Object (select) cmdlet, as shown below. But notice the Department property doesn’t show up.

Including Department Attribute
Including Department Attribute

By default, the Get-ADUser cmdlet does not return all properties. To return all non-default properties, you must use the Properties parameter. In this case, tell Get-ADUser to return the Department property.

Get-ADUser -Filter {Department -eq "Sales"} -SearchBase "OU=ATA-Users,DC=ATA,DC=local" -Properties Department | select Name,UserPrincipalName

Now that you have a basic filter, you can continue to add more criteria to the Filter as necessary, combining them with the PowerShell and and or operators. Below, for example, Get-ADUser will return all AD users that are enabled that are either in the Sales or Finance departments.

Adding Criteria to the Filter
Adding Criteria to the Filter

In the tutorial’s environment, Steve James is an account in the Sales department, but his account is not enabled, so his account will not show up via the command above.

Account not Enabled
Account not Enabled

Exporting Active Directory Users to CSV

You now have the foundational knowledge to retrieve AD users with PowerShell. The final step is to export those Active Directory users to a CSV file to create a report you can share.

Let’s say you’ve built your Get-ADUser command, and it’s returning the users you’d like to include in your CSV report like below.

This command:

  1. Retrieves all AD users in the ATA-Users OU and all child OUs.
  2. Outputs extra properties like Department, PasswordLastSet, and PasswordNeverExpires.
  3. Limits the properties returned via Select-Object to include in the report like Name, UserPrincipalName, Department, and any property that begins with Password.

Notice password* in this example. Using an asterisk with Select-Object tells Select-Object to return all properties that start with password.

Get-ADUser -Filter * -SearchBase "OU=ATA-Users,DC=ATA,DC=local"  -properties Department,PasswordLastSet,PasswordNeverExpires | Select-Object Name,UserPrincipalName,Department,password*

To export the Active Directory users, this command returns to CSV, pipe the objects to the Export-Csv cmdlet. The Export-Csv cmdlet is a PowerShell cmdlet that allows you to send various objects to (AD user accounts in this example) and then append those objects as CSV rows.

To export each AD user returned in the command above, append | Export-Csv <csv file name>.csv to the end. This action pipes all of the objects that Select-Object returns and “converts” them into a CSV file.

Get-ADUser -Filter * -SearchBase "OU=ATA-Users,DC=ATA,DC=local"  -properties Department,PasswordLastSet,PasswordNeverExpires | Select-Object Name,UserPrincipalName,Department,password* | Export-CSV pass_report.csv

You’ll see below that Export-Csv creates a CSV file called pass_report.csv that includes headers as object property names and one row per AD user account.

Example output from Export-CSV
Example output from Export-CSV

Customizing CSV Headers with Select-Object

The report you can now generate contains all the required information, but the CSV headers are not grammatically correct and can be misleading. A manager may not know what a UserPrincipalName is, and having column headings with multiple words without spaces is good English.

To export the Active Directory users to CSV and create custom CSV headers, use the Select-Object cmdlet’s calculated properties. The calculated properties feature is a way you can define custom property names and values.

The Select-Object cmdlet’s calculated properties feature requires you to define a hashtable with two key/value pairs; Name to indicate the name of the property and Expression to represent the code to manipulate the original object property value or simply the actual property name.

In this example, let’s say you’d like the CSV to show a header name of:

  • Login Name instead of UserPrincipalName
  • Password Last Set Date instead of PasswordLastSet
  • Password Never Expires instead of PasswordNeverExpires
  • Password Last Set Date instead of PasswordLastSet that’s represented with a short date.

To make these changes, you’d first build a hashtable for each property like below.

@{Name="Login Name";Expression="UserPrincipalName"}
@{Name="Password Last Set Date";Expression="PasswordLastSet"}
@{Name="Password Never Expires";Expression="PasswordNeverExpires"}
@{Name="Password Last Set Date";Expression={$_.PasswordLastSet.ToShortDateString()}}

Now that you have the hashtables add them to the list of properties you provide to the Select-Object cmdlet just like you would a typical property name.

The Select-Object cmdlet’s Property parameter accepts an array. If you have many properties to pass, you can create an array first and then pass that array to the Property parameter for easier readability.

$properties = @(
	Name,
	@{Name="Login Name";Expression="UserPrincipalName"},
	Department,
	@{Name="Password Last Set Date";Expression="PasswordLastSet"},
	@{Name="Password Never Expires";Expression="PasswordNeverExpires"},
	@{Name="Password Last Set Date";Expression={$_.PasswordLastSet.ToShortDateString()}}
)
Select-Object -Property $properties

Combining Get-ADUser with the new Select-Object construct created above gives you the below code snippet.

$properties = @(
	Name,
	@{Name="Login Name";Expression="UserPrincipalName"},
	Department,
	@{Name="Password Last Set Date";Expression="PasswordLastSet"},
	@{Name="Password Never Expires";Expression="PasswordNeverExpires"},
	@{Name="Password Last Set Date";Expression={$_.PasswordLastSet.ToShortDateString()}}
)
Get-ADUser -Filter * -SearchBase "OU=ATA-Users,DC=ATA,DC=local" -Properties Department,PasswordLastSet,PasswordNeverExpires | Select-Object -Property $properties | Export-CSV pass_report.csv

Once complete, PowerShell will create a CSV file for you that looks like the example below.

CSV export of AD users using calculated properties
CSV export of AD users using calculated properties

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Conclusion

PowerShell is a powerful tool for reporting on Active Directory Users. This tutorial showed you how to find and filter users based on various criteria and create a CSV file from that output using just a few lines of code.

Now that you have the foundational knowledge to query AD users and export Active Directory users to CSV, where do you see yourself using this knowledge in your daily work life?

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