---
title: "Use Cases"
url: https://lookeen.com/use-cases
lang: en
description: "Lookeen use cases: digital sovereignty, on-premises search, AI with local models, email and PST search, file servers, Microsoft 365, OCR, VDI and eDiscovery."
published: 2026-10-12T10:00:00+00:00
modified: 2026-10-12T10:00:00+00:00
---

# Use Cases

What Lookeen is used for – from sovereign enterprise search in your own data center to fast email search on your desktop.

## Search with sovereignty

For everyone who wants to keep data, index and AI in-house.

### Digital Sovereignty

The index, text recognition and AI stay in your infrastructure – no forced cloud.

[Learn more](https://lookeen.com/use-cases/digital-sovereignty)

### On-Premises Search

Central enterprise search in your own data center, with Active Directory and permission-aware results.

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

### AI with Local Models

Summarize, review and reply – with language models in your own infrastructure.

[Learn more](https://lookeen.com/use-cases/local-ai)

### Data Protection & GDPR

Search without data leaving your network: what Lookeen means for the GDPR, DPAs and professional secrecy.

[Learn more](https://lookeen.com/use-cases/data-protection-gdpr)

## Search your data

Lookeen finds content in email, archives, drives and Microsoft 365.

### Email Search in Outlook & Exchange

Emails, attachments, appointments and contacts – in shared mailboxes and public folders too.

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

### Search PST Archives

Old archives and former employees' PST files, together with the current mailbox.

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

### File Servers & Network Drives

Find documents by content – in almost 100 formats, with filters for path, type and date.

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

### Search Microsoft 365

Exchange Online, Online Archive, shared mailboxes and OneDrive – via Graph API, ready for the end of EWS.

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

## Special requirements

There is also a solution for scans, virtual workstations, investigations and networks without internet.

### Scanned Documents (OCR)

Make scans, faxes and image PDFs searchable – with local text recognition if you like.

[Learn more](https://lookeen.com/use-cases/ocr-scanned-documents)

### VDI & Terminal Servers

Fast search in Citrix, VMware and on terminal servers – with a central index.

[Learn more](https://lookeen.com/use-cases/vdi-terminal-server)

### eDiscovery & Internal Research

Investigations, data subject requests and audits: find, review, mark.

[Learn more](https://lookeen.com/use-cases/ediscovery-research)

### Offline & Air-Gapped Operation

Search with no outside connection – for isolated networks and sensitive areas.

[Learn more](https://lookeen.com/use-cases/air-gapped-operation)

[Lookeen in your industry →](https://lookeen.com/industries)