ReliefJet Essentials for Outlook is a comprehensive set of more than 160 tools for performing a wide range of tasks in Microsoft...
$49.95 (Personal license)
Best OutlookSpy Alternatives ranked by AI · updated Aug 2026
OutlookSpy is a developer and administrator diagnostic tool for exploring Outlook and MAPI objects, properties, and events. It suits technical users investigating cached recipients, profiles, and other Outlook internals rather than casual reporting needs.
Top 6 OutlookSpy alternatives
NK2Edit is a utility that enables you to modify the AutoComplete list in Microsoft Outlook.
Free for personal use
Auto-Complete Lists Report is an Outlook add-in that displays and reports addresses stored in Outlook's AutoComplete lists. It is intended for Outlook...
Pros
- Focused specifically on reporting Outlook AutoComplete entries
- More approachable than low-level MAPI inspection tools
- Designed for routine Outlook administration
Cons
- Requires desktop Microsoft Outlook and Windows
- Less capable for editing or repairing entries than NK2Edit
- Does not replace a full mailbox or PST analysis tool
A comprehensive tool to manage various aspects of Microsoft Outlook.
Pros
- Wide range of features
- Customization options
Cons
- Complex interface for beginners
Free and paid versions available
Stellar Repair for Outlook is a comprehensive tool to repair corrupt PST files.
Pros
- Advanced recovery options
- Support for large PST files
Cons
- Higher price point
- Complex interface
6
MFCMAPI
Stephen Griffin
MFCMAPI is a free Windows utility for inspecting and modifying MAPI stores, including Outlook profiles and mailbox properties. It is intended for...
Pros
- Provides deeper MAPI access than dedicated reporting add-ins
- Useful for diagnosing profile and mailbox data problems
- Free and actively available as an open-source project
Cons
- Far steeper learning curve than the original product
- Easy to alter or damage mailbox data without MAPI expertise
- Does not provide a polished AutoComplete report workflow
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