Export OST Address Book to CSV with Full Safety
⚙ 100% Standalone Solution: Extract and convert Outlook Offline Storage Table file (.ost). contacts to Comma-separated values spreadsheet/export format. without installing Microsoft’s desktop email app. Standalone Softaken tools can run without Outlook installed. on your computer.
Key Features at One Glance
Available for Windows, Mac, and Linux. Pick your OS, then download or buy. Free demo exports 10 contacts per folder. No Outlook required.
Load offline OST contacts, convert with Softaken, then open the CSV in your spreadsheet or CRM.
Import converted CSV address book into
Follow the steps on the left. Use the arrows to switch screenshots — click a screenshot to enlarge.
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See Softaken OST File Exporter load an offline OST file, preview contact folders and contact details, choose CSV export, and save the address book — without installing Microsoft Outlook. Import the generated CSV into Microsoft Excel, Google Sheets, Google Contacts, Salesforce, or HubSpot CRM.
OST to CSV Converter is an amazing application that does not need any extra application like Outlook, Exchange Server, and another app to perform the conversion. It easily converts OST contact details to CSV without any technical skills.
Benefit: Independent conversion of OST file to CSV.
One can simply convert multiple OST files at a single attempt using this application. The tool single-handedly manages the conversion of multiple OST files without having any effect on the working performance.
Benefit: Mass migration of OST files.
During the complete OST 2 CSV Conversion, the application preserves all meta elements, formatting, images, and other details of Address Book. The associated attachments are safely converted without any data loss issues.
Benefit: No disturbance to data integrity.
All Microsoft Outlook versions are well-supported by the program. Users can pick any Outlook edition OST file such as Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, 2003, etc. Both 32-bit and 64-bit Outlook versions are supported.
Benefit: Enjoyable working on all Outlook editions.
To transfer Offline OST contacts to CSV, the utility can be set up in all Windows OS versions like Windows 11, 10, 8.1, 8, 7, XP, Vista, and others. The installation process of the application is simple and takes only a few seconds in it.
Benefit: Completely Windows-based utility.
OST 2 CSV Converter utility displays complete contact details once OST file is loaded on the software screen. Users can select only contacts folders from the left pane and view all details before exporting OST Address Book to CSV.
Benefit: Preview complete contact details.
Yes. You get a standard .csv file that opens straight in Excel or Google Sheets. From there you can view, edit, sort, or filter the contact rows however you like.
No. It runs on its own — no Outlook install and no Exchange connection needed.
Yes for orphaned, inaccessible, Exchange-disconnected, or IMAP-cached OST files. Address book data comes straight from the file — you don’t need to reconnect Exchange or rebuild an Outlook profile. Large OST files export without chopping up the database.
Yes. Contact details land in their own CSV columns — Full Names, Multiple Email Addresses, Phone Numbers, Company, Department, Postal Addresses, Notes, and the rest of the address book fields — so nothing important gets mashed together.
Yes. The CSV is shaped for import into Google Contacts, Salesforce, HubSpot, Zoho CRM, Excel, and Google Sheets — handy when you’re moving an offline OST address book into spreadsheet or CRM workflows.
Yes. After you load the OST, pick contact folders from the left pane, preview distribution lists and sub-folders, and skip blank ones. For several OST files at once, use Folder Mode.
No file-size cap. Oversized enterprise OST address books are fine. The full license unlocks unlimited conversion.
The free demo lets you preview every contact entry and export up to 10 contacts per folder so you can test the CSV first. Full license unlocks unlimited export from $49. Available for Windows, Mac, and Linux.
Universal Spreadsheet & CRM Support: Convert offline OST address books to structured CSV format — ready for direct import into Microsoft Excel, Google Sheets, Google Contacts, Salesforce, and HubSpot CRM.
100% Standardized Column Mapping: Accurately maps all contact attributes into dedicated CSV columns, preserving Full Names, Multiple Email Addresses, Phone Numbers, Company, Department, Postal Addresses, and Notes.
Direct Orphaned OST Extraction: Extract address books directly from damaged, inaccessible, Exchange-disconnected, or IMAP-cached OST files without requiring Exchange Server connection or Outlook profile reactivation.
Windows 11, 10, 8.1, 8, 7 · Mac · Linux
2024, 2021, 2019, 2016 · ANSI / Unicode
10 contacts / folder
Full from $49
System requirements for Softaken OST to CSV Converter on each supported OS.
Desktop installer
Apple desktop build
AppImage & Debian package
| Specification | Details |
|---|---|
| Product Name | Softaken OST to CSV Converter |
| Version | 16.0 |
| Input | Offline / orphaned Outlook OST address book |
| Output Format | CSV |
| OS Supported | Windows 11, 10, 8.1, 8, 7 & Other · macOS · Linux |
| Outlook Supported | 2024, 2021, 2019, 2016, 2013, 2010, 2007, 2003 and earlier |
| Prerequisite | No Outlook / Exchange Server required |
| Processor | Any Pentium Class |
| Memory | 512 MB Minimum |
| Hard Disk | 100 MB of free space for software installation |
| Demo | 10 contacts / folder |
| Delivery | Electronic · Via Email · Minutes: 15 |
| Language / Support | English · Emails, Chat & Skype |
| Platform | Windows · Mac · Linux |
Free Demo version previews all contact entries and exports up to 10 contacts per folder from OST to CSV format.
| Feature | Free demo | Full version |
|---|---|---|
| Export OST Address Book / Contacts to CSV | Available | Available |
| Orphaned / Exchange-Disconnected OST Support | Available | Available |
| Standalone — No Outlook Required | Available | Available |
| Standardized contact column mapping | Available | Available |
| Batch conversion of multiple OST files | Available | Available |
| Contact folder preview before export | Available | Available |
| Supported on Windows, Mac & Linux | Available | Available |
| Limitation | 10 contacts / folder | Unlimited |
| Price | FREE | $49 |
Customer feedback on Softaken OST to CSV Converter.
Netherlands
In order to analyze the performance of this application, I downloaded the demo version and after that, I purchased this application. The tool is found to be perfect and easy for me to export OST Address Book to CSV.
France
An amazing program suggested by my colleague to me when I was unable to extract contacts from OST file to move these contacts to Thunderbird.
Austria
Taking a short time, the utility manages the conversion of large size OST file into CSV format. I have used this application to export OST Address Book to Apple Mail application and your application did this for me. I am thankful to the entire team that helped several users.
Load an offline or orphaned OST file, preview the address book, and save contacts as CSV for Excel, Google Contacts, or your CRM.
Available for Windows, Mac, and Linux. Pick your OS, then download or buy. Free demo exports 10 contacts per folder. No Outlook required.
