Comparison

OLM Converter · Viewer, Reader vs OLM Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OLM Converter · Viewer, Reader

Easily open, read, and convert Outlook for Mac archive files (.olm) on your devices. Browse mail, contacts, and calendar entries, then export them to various formats like MBOX, PDF, and CSV without needing Outlook.

Highlights
  • Open .olm archives without Outlook
  • Read mail, contacts, calendar, notes, tasks
  • Browse full folder tree and search mail
  • Convert to MBOX, EML, PDF, CSV, HTML, vCard, ICS
  • Export entire mailboxes or selected folders
  • Process large archives on-device
Features
Read full description

Have an OLM file you cannot open? OLM Converter opens Outlook for Mac archives right on your Mac, iPhone, and iPad, lets you read everything inside, and converts it to the formats you actually use. Open a .olm export, browse every folder, and read your mail, contacts, calendar, notes, and tasks. Then convert and export the parts you need, all on your device. WHAT YOU CAN DO • Open and read .olm archives from Outlook for Mac, no Outlook needed • Browse the full folder tree, and search mail by subject, sender, or text • View contacts, calendar events, notes, and tasks • See every attachment and save it to Files • Convert and export to MBOX, EML, CSV, PDF, HTML, vCard, and ICS • Export a whole mailbox, or just the folder you choose EXPORT FORMATS • MBOX, or a zipped folder tree of MBOX files • EML, one message per file, with the folder structure preserved • PDF for reading and sharing • CSV of the message list • A browsable HTML archive • vCard (.vcf) contacts and ICS (.ics) calendar events BUILT RIGHT • Runs on Mac, iPhone, and iPad • Everything happens on your device. Your archive never leaves it • No account, no sign in, nothing is uploaded • Handles large, multi gigabyte archives • Fast, reliable, and faithful to the original PERFECT FOR • Opening an .olm file on your Mac without Outlook • Anyone moving away from Outlook for Mac • Moving your mail into another app that reads MBOX or EML, such as Apple Mail or Thunderbird • Archiving, exporting, or simply reading an old .olm file OLM Converter is an independent app and is not affiliated with, endorsed by, or sponsored by any email software vendor. OLM and Outlook are referenced only to indicate the file format the app works with. Privacy Policy: https://rush.tools/privacy Terms of Use: https://rush.tools/terms

About

OLM Viewer

Features
Read full description

OLM Viewer & Converter is a powerful, privacy-first utility designed to help you easily open OLM files, read OLM email archives, and export mailbox data natively on your device. WHETHER YOU NEED AN OLM READER OR CONVERTER: If you have a Mac Outlook file (file OLM) and need an efficient OLM viewer or OLM reader, this app provides an intuitive solution to inspect and process your data. You can open OLM files instantly without needing third-party software or uploading sensitive mailboxes to external cloud servers. KEY FEATURES: • Seamless OLM File Viewing: Open OLM archives, browse nested mail folders, read OLM email messages, view calendar entries, and check contacts. • Convert OLM File to CSV: Export structured mailbox records to spreadsheets. Use our OLM to CSV converter capabilities to convert OLM to CSV on Mac or iOS, or convert OLM file to Excel on Mac for easy data analysis. • Convert OLM to MBOX: Need an OLM to MBOX converter? Export your email folders into universal MBOX formats (convert OLM to MBOX Mac) for seamless mail client migration. • Convert OLM to PDF & EML: Easily convert OLM to PDF for printing and document archiving, or export messages as standard EML files. • Export Contacts & Calendars: Convert OLM to ICS for calendar events and vCard for address book contacts. MAILBOX MIGRATION & EXPORT OPTIONS: If you are searching for an OLM to PST converter or need to convert OLM file to PST format, our tool provides the ideal intermediate formats. While direct OLM to PST conversion is restricted on mobile, exporting your file OLM to MBOX or CSV enables smooth workflows to import OLM to Mac Mail, import OLM to Gmail, import OLM to Google Calendar, or import OLM to Office 365. Users looking to import OLM file data into enterprise platforms can use our generated standard files to import OLM to Office 365 Mac or import OLM into Office 365 accounts smoothly. Whether you need a Mac OLM converter, an OLM converter for Mac desktop/mobile environments, or a trusted OLM to CSV converter for Mac, this tool handles your archive export requirements effortlessly. PRIVACY & SECURITY FIRST: • 100% On-Device Processing: Every OLM file is parsed locally. Your emails, attachments, and personal records never leave your physical device. • Tracking Prevention: External tracking pixels and remote images are blocked by default to protect your privacy. Download OLM Viewer & Converter today to open, read, and export OLM file archives with total peace of mind!

Screenshots

OLM Converter · Viewer, Reader4 screens
OLM Viewer3 screens

Verdict

The call

The clearest difference is update cadence: OLM Converter · Viewer, Reader at weekly against OLM Viewer's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OLM Converter · Viewer, Reader sells 8 in-app purchases, starting at $4.99 per 7 days and OLM Viewer sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OLM Converter · Viewer, Reader ships an update weekly, OLM Viewer every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 7 level
OLM Converter · Viewer, Reader versus OLM Viewer: the parameters behind the verdict, then further details
ParameterOLM Converter · Viewer, ReaderOLM Viewer
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Mac
Requires iOS15.015.0
Further details — not scored
Size24 MB29 MB
Age rating4+4+
DeveloperRush Tools LLCOMER FARUK KIZILTUG

In-app purchases

8 purchases

OLM Converter · Viewer, Reader

Subscriptions7
  • Pro Weekly3 Days trial$4.997 Days
  • Pro Weekly$9.997 Days
  • Pro Annual$19.991 Year
Show 4 more
  • Pro Annual$29.991 Year
  • Pro Annual2 variants$39.991 Year
  • Pro Annual$49.991 Year
  • Pro Annual$79.991 Year
One-time1
  • Pro Lifetime$59.99
2 purchases

OLM Viewer

Subscriptions2
  • Weekly Premium3 Days trial$7.997 Days
  • Yearly Premium$49.991 Year

Questions

Is OLM Converter · Viewer, Reader free?
OLM Converter · Viewer, Reader is free to download, with in-app purchases available.
Is OLM Viewer free?
OLM Viewer is free to download, with in-app purchases available.
Do OLM Converter · Viewer, Reader or OLM Viewer have ads?
Neither OLM Converter · Viewer, Reader nor OLM Viewer shows ads.
Which is updated more often, OLM Converter · Viewer, Reader or OLM Viewer?
OLM Converter · Viewer, Reader ships an update weekly, and OLM Viewer every 3 weeks. Most recently, OLM Converter · Viewer, Reader was updated on November 1, 2026 and OLM Viewer on October 31, 2026.

Other comparisons