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GainTools Merge PST vs GainTools PST Converter

Merges multiple PST files instead of converting formats

Short answer: Pick GainTools Merge PST if you want merging Outlook PST files on Windows; pick GainTools PST Converter if you want multi-format PST conversion on Windows. GainTools Merge PST has a free plan; GainTools PST Converter is paid, with a free trial.

Which to pick

Pick GainTools Merge PST if you want…

  • Merging Outlook PST files on Windows
  • PST merging
  • A free plan to start with

Pick GainTools PST Converter if you want…

  • Multi-format PST conversion on Windows

Side by side

What it is
GainTools Merge PST:GainTools Merge PST merges multiple Outlook PST files into one without data loss.
GainTools PST Converter:GainTools PST Converter converts Outlook PST files to multiple formats like PDF, EML, MSG, MBOX, VCF, and CSV on Windows.
Best for
GainTools Merge PST:Merging Outlook PST files on Windows
GainTools PST Converter:Multi-format PST conversion on Windows
Who it’s for
GainTools Merge PST:IT admins, support staff, and users who need to combine Outlook PST archives.
GainTools PST Converter:IT professionals and users needing to migrate or backup Outlook data on Windows.
Pricing
GainTools Merge PST:Freemium
GainTools PST Converter:Paid
Free plan or trial
GainTools Merge PST:Free trial
GainTools PST Converter:Free trial

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 PST Converter features

  • Convert to 8 formats. Exports PST data to PDF, EML, EMLX, MSG, MBOX, VCF, CSV and more.
  • No Outlook required. Runs without needing Microsoft Outlook installed.
  • Bulk export and preview. Shows folder/item previews and allows bulk conversion of selected data.
  • Data recovery. Recovers deleted items from PST trash folders before conversion.
  • Preserves attachments & Unicode. Keeps all attachments and non-English characters intact during conversion.
  • Custom output location. Lets users choose any folder or drive to save converted files.

GainTools Merge PST vs GainTools PST Converter FAQ

What is the difference between GainTools Merge PST and GainTools PST Converter?+

GainTools Merge PST: Merges multiple PST files instead of converting formats.

Should I use GainTools Merge PST or GainTools PST Converter?+

Pick GainTools Merge PST if you want merging Outlook PST files on Windows, PST merging or a free plan to start with. Pick GainTools PST Converter if you want multi-format PST conversion on Windows.

Is GainTools Merge PST or GainTools PST Converter free?+

GainTools Merge PST has a free plan and paid plans. GainTools PST Converter is paid, with a free trial.

On DevHunt

GainTools Merge PST

0 upvotes · Launched on DevHunt on Jan 6, 2026

GainTools PST Converter

0 upvotes · Launched on DevHunt on Jan 6, 2026

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