NK2Edit is a utility that enables you to modify the AutoComplete list in Microsoft Outlook.
Free for personal use
Best ReliefJet Essentials Alternatives ranked by AI · updated Aug 2026
ReliefJet Essentials is an Outlook productivity and data-management suite that includes tools for copying, moving, and consolidating Outlook items and folders. It suits power users and administrators who need PST merging alongside broader Outlook automation.
Top 6 ReliefJet Essentials alternatives
SysTools PST Merge is a software tool to combine multiple Outlook PST files into a single file without data loss.
A Windows utility that exports recipient addresses from Microsoft Outlook's AutoComplete cache into reusable files. It is intended for Outlook users who...
Pros
- Designed specifically for exporting Outlook AutoComplete addresses
- Simpler than manually handling Outlook data files
- Useful for transferring recipient suggestions between computers
Cons
- Windows and Outlook focused
- Less capable than full Outlook migration suites
- Limited editing and deduplication features
Free for personal use
Regain Outlook PST Merger is a Windows utility for combining multiple Outlook PST files into one file. It is intended for Outlook...
Pros
- Built specifically for combining Outlook PST files
- Supports consolidation of multiple source PSTs
- More focused than full Outlook migration suites
Cons
- Windows-focused and dependent on Outlook PST data
- Less established brand than Stellar or SysTools
- No clearly published current pricing on the main website
TrustVare Duplicate Remover is a Windows utility for finding and removing duplicate Outlook emails, contacts, calendar items, tasks, notes, and journals. It...
Pros
- Supports several Outlook item types beyond email
- Can process Outlook data files without requiring manual item-by-item cleanup
- More focused on Outlook deduplication than general-purpose file cleaners
Cons
- Windows and Outlook focused, with no comparable macOS or web-app workflow
- Less established ecosystem than MAPILab or ReliefJet utilities
- Pricing and licensing details are not consistently published
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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