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TrustVare OLM to Office 365 Converter vs TrustVare OST to MSG Converter

Converts OST files to MSG format, not OLM to Office 365.

Short answer: Pick TrustVare OLM to Office 365 Converter if you want bulk OLM-to-Office365 migration; pick TrustVare OST to MSG Converter if you want batch OST-to-MSG conversion. Both have a free plan.

Which to pick

Pick TrustVare OLM to Office 365 Converter if you want…

  • Bulk OLM-to-Office365 migration
  • OLM-to-Office 365 migration

Pick TrustVare OST to MSG Converter if you want…

  • Batch OST-to-MSG conversion

TrustVare OLM to Office 365 Converter: Converts OLM files to Office 365, not OST to MSG

Side by side

What it is
TrustVare OLM to Office 365 Converter:Converts Mac Outlook OLM files to Office 365 accounts while preserving structure and attachments.
TrustVare OST to MSG Converter:Converts Outlook OST files to MSG format on Windows, preserving email structure and attachments.
Best for
TrustVare OLM to Office 365 Converter:Bulk OLM-to-Office365 migration
TrustVare OST to MSG Converter:Batch OST-to-MSG conversion
Who it’s for
TrustVare OLM to Office 365 Converter:IT teams, businesses and individuals migrating from Mac Outlook to Office 365.
TrustVare OST to MSG Converter:IT admins, Outlook users, and businesses needing offline OST migration.
Pricing
TrustVare OLM to Office 365 Converter:Freemium
TrustVare OST to MSG Converter:Freemium
Free plan or trial
TrustVare OLM to Office 365 Converter:Free trial
TrustVare OST to MSG Converter:Free trial
Works with
TrustVare OLM to Office 365 Converter:Office 365
TrustVare OST to MSG Converter:—

TrustVare OLM to Office 365 Converter features

  • Full mailbox export. Transfers emails, contacts, calendars and attachments from OLM to Office 365.
  • Preserves formatting. Keeps original folder structure, metadata and formatting intact.
  • Bulk conversion. Exports unlimited OLM files in one operation.
  • Automatic Office 365 login. Connects to the target account after entering credentials.
  • Preview pane & log report. Shows data preview and generates a log of the exported items.
  • No Outlook required. Runs as a standalone Windows app without installing Outlook.

TrustVare OST to MSG Converter features

  • Unlimited batch conversion. Convert single or multiple OST files to MSG in one go without size limits.
  • Data recovery. Repairs inaccessible or corrupted OST files before conversion.
  • Filter modes. File Mode and Folder Mode let you select specific emails or folders to export.
  • Preview pane. Shows a preview of uploaded OST content for selective conversion.
  • Log report generation. Automatically creates a log file of each conversion session.
  • No Outlook required. Runs independently without needing Outlook installed.

TrustVare OLM to Office 365 Converter vs TrustVare OST to MSG Converter FAQ

What is the difference between TrustVare OLM to Office 365 Converter and TrustVare OST to MSG Converter?+

TrustVare OST to MSG Converter: Converts OST files to MSG format, not OLM to Office 365. TrustVare OLM to Office 365 Converter: Converts OLM files to Office 365, not OST to MSG.

Should I use TrustVare OLM to Office 365 Converter or TrustVare OST to MSG Converter?+

Pick TrustVare OLM to Office 365 Converter if you want bulk OLM-to-Office365 migration or OLM-to-Office 365 migration. Pick TrustVare OST to MSG Converter if you want batch OST-to-MSG conversion.

Is TrustVare OLM to Office 365 Converter or TrustVare OST to MSG Converter free?+

TrustVare OLM to Office 365 Converter has a free plan and paid plans. TrustVare OST to MSG Converter has a free plan and paid plans.

On DevHunt

TrustVare OLM to Office 365 Converter

1 upvote · Launched on DevHunt on Jun 17, 2025

TrustVare OST to MSG 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.