---
title: "NEO Pro alternative – get to know Lookeen"
url: https://lookeen.com/solutions/alternatives/neo-pro-alternative
lang: en
description: "Looking for an alternative to NEO Pro? Get to know Lookeen. Filters for sender, recipient, date and attachment narrow down even tens of thousands of emails…"
published: 2018-12-21T14:12:15+00:00
modified: 2026-10-12T15:30:00+00:00
---

# Looking for an alternative to NEO Pro?

Get to know Lookeen. If you are looking for a NEO Pro alternative, you want to keep large mailboxes manageable and find emails by sender, date or content in seconds.

[Try it free](https://lookeen.com/get-started) [Talk to us](https://lookeen.com/contact)

## Why Lookeen for email search in Outlook

What Lookeen does differently and what that means for your daily work.

### Large mailboxes under control

Filters for sender, recipient, date and attachment narrow down even tens of thousands of emails quickly – right in Outlook or in Lookeen's own window.

### Emails and archives in one search

Outlook, Exchange and Exchange Online, PST and OST files and online archives – with attachments, appointments and contacts. Search works even when Outlook is closed.

### Precise search syntax

Exact phrases, proximity and fuzzy search, wildcards, AND/OR/NOT, document properties and date ranges – plus filters by type, path, size, sender and date.

### Tags and comments

Add color tags and comments to results and find them again later with tag: or # – without moving any files.

## Typical use cases

This is where Lookeen plays to its strengths, each with its own page and details.

### Email search

Find emails, attachments and appointments in Outlook and Exchange in seconds.

[Learn more](https://lookeen.com/use-cases/email-search)

### PST archives

Search old Outlook archives together with the current mailbox.

[Learn more](https://lookeen.com/use-cases/pst-archives)

### Search Microsoft 365

Exchange Online, Online Archive and OneDrive via the Graph API.

[Learn more](https://lookeen.com/use-cases/microsoft-365)

## Frequently asked questions

What to know before you switch from NEO Pro to Lookeen.

Is Lookeen an alternative to NEO Pro?

Lookeen is a search add-in for Outlook that finds emails, attachments and archives in seconds – with filters by sender and date, tags and preview.

Can I filter emails by sender and time period?

Yes. Sender, recipient, date, attachment and folder can be combined as filters – together with search terms too.

Does Lookeen also search Outlook and Exchange?

Yes. Lookeen searches emails with attachments, appointments, tasks, notes and contacts in Outlook, Exchange and Exchange Online – with Lookeen Server also shared mailboxes and, in on-premises Exchange, public folders.

Can Lookeen search old PST archives?

Yes. PST and OST files are searched together with the current mailbox. With Lookeen Server, entire folders full of PST files can be added as a source.

Will search keep working when Microsoft switches off EWS?

Yes. Lookeen Server also connects Microsoft 365 through the Graph API – including the Online Archive. On-premises Exchange Server is not affected by the EWS shutdown.

Can I try Lookeen for free?

Yes. You can test the full functionality of Lookeen free for 14 days – with your own data.

All product names and trademarks mentioned are the property of their respective owners. Lookeen is not affiliated with the vendors mentioned.