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GainTools Merge PST vs Mailvita Merge PST for Mac

Mac-only version; GainTools works on Windows only.
GainTools Merge PSTgaintools-merge-pstMailvita Merge PST for Macmailvita-merge-pst-for-mac

Side by side

What it is
GainTools Merge PST:GainTools Merge PST merges multiple Outlook PST files into one without data loss.
Mailvita Merge PST for Mac:Mailvita Merge PST for Mac merges multiple Outlook PST files on macOS without Outlook installed.
Best for
GainTools Merge PST:Merging Outlook PST files on Windows
Mailvita Merge PST for Mac:Merging PST files on Mac without Outlook
Who it’s for
GainTools Merge PST:IT admins, support staff, and users who need to combine Outlook PST archives.
Mailvita Merge PST for Mac:Mac users who need to combine Outlook PST files, including individuals and businesses.
Pricing
GainTools Merge PST:Freemium
Mailvita Merge PST for Mac:Paid
DevHunt upvotes
GainTools Merge PST:0
Mailvita Merge PST for Mac:1
Launched on DevHunt
GainTools Merge PST:Jan 2026
Mailvita Merge PST for Mac:Jul 2025

GainTools Merge PST features

  • 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.
GainTools Merge PST on DevHunt →Alternatives

Mailvita Merge PST for Mac features

  • Accurate PST merging. Combines Outlook PST files with 100% accuracy while preserving original structure.
  • Password-protected PST support. Merges ANSI, Unicode, archive and password-protected PST files safely.
  • Custom merge options. Create separate folders per PST, a single strong folder, or merge selected folders only.
  • Duplicate removal. Detects and removes duplicate or deleted items during the merge.
  • No Outlook required. Merges any size PST files on macOS without needing Microsoft Outlook installed.
  • Free demo version. Provides a trial version for users to evaluate the merging functionality.
Mailvita Merge PST for Mac on DevHunt →Alternatives

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