GainTools Merge PST vs TrustVare PST to MSG Converter

Converts PST to MSG format rather than merging multiple PSTs.

Side by side

What it is: GainTools Merge PST:GainTools Merge PST merges multiple Outlook PST files into one without data loss.; TrustVare PST to MSG Converter:Converts Outlook PST files to MSG format on Windows, preserving email structure and metadata.
Best for: GainTools Merge PST:Merging Outlook PST files on Windows; TrustVare PST to MSG Converter:Bulk PST-to-MSG conversion on Windows
Who it’s for: GainTools Merge PST:IT admins, support staff, and users who need to combine Outlook PST archives.; TrustVare PST to MSG Converter:IT professionals, email administrators, and end-users needing PST to MSG migration.
Pricing: GainTools Merge PST:Freemium; TrustVare PST to MSG Converter:Freemium
DevHunt upvotes: GainTools Merge PST:0; TrustVare PST to MSG Converter:0
Launched on DevHunt: GainTools Merge PST:Jan 2026; TrustVare PST to MSG Converter:Jan 2026

Combine multiple PSTs. Merge any number of ANSI or Unicode PST files into a single PST.
Preserve folder structure. Keeps original email layout, folders, contacts, calendar and attachments intact.
Password-protected PST support. Can merge PST files that are secured with a password.
Selective folder merge. Choose to merge entire PSTs or only specific folders such as Inbox or Contacts.
Custom output folders. Save the merged PST in a new folder or create separate folders per source PST.
No file-size limit. Handles PST files of any size on supported Windows versions.
Fast, accurate merging. Processes merges quickly while retaining all mail properties without corruption.
Simple wizard UI. Step-by-step interface guides users through loading, selecting, and merging PSTs.

Bulk conversion. Convert single or multiple PST files, up to 50 GB, in one operation.
Preview & filtration. Generate a preview pane and filter files or folders before export.
Preserve original structure. Exports emails, contacts, calendars with full headers and attachments unchanged.
No Outlook required. Runs independently on Windows without needing Microsoft Outlook installed.
Log report. Creates a conversion log with a link to review exported data.
Free 30-day trial. Full-feature demo version available for 30 days with limited export capacity.
Unlimited license. Purchased license is valid for unlimited years and includes free upgrades.

Based on each tool's website and DevHunt data. Details may change; check the official sites.