To convert contacts from a PST file to CSV , the most reliable and standard method is using Microsoft Outlook (since PST is its native data format). You don’t need third-party tools in most cases.
Method 1: Convert PST Contacts to CSV using Microsoft Outlook
Step 1: Open PST file in Outlook
Open Microsoft Outlook
Go to File → Open & Export → Open Outlook Data File
Select your .PST file
It will appear in the left panel

Step 2: Go to Import/Export tool
Click File
Select Open & Export
Click Import/Export

Step 3: Export contacts to CSV
Choose “Export to a file”
Click Next
Select “Comma Separated Values (CSV)”
Click Next
Select Contacts folder under your PST file
(Important: choose the correct Contacts folder inside PST)

Step 4: Save CSV file
Choose a destination folder
Name your file (e.g., contacts.csv)
Click Next
Click Finish

Step 5: Map fields (optional but recommended)
You can map fields like:
Name
Email
Phone number
Company

If you've ever wondered how to convert contacts from a PST file to CSV, you're not alone — it's one of the most common data migration challenges faced by Outlook users today. PST files store a wealth of information including emails, calendars, and contacts, but extracting just the contacts in a universally readable format like CSV can seem tricky without the right approach. CSV files are widely supported across platforms like Google Contacts, Excel, and various CRM tools, making them the ideal format for contact management and sharing. The Macsonik PST Converter Tool  makes this process incredibly simple — just load your PST file, select the contacts folder, choose CSV as your output format, and export within minutes. The tool accurately maps all contact fields including names, email addresses, phone numbers, and organization details, ensuring no information is lost or misaligned during conversion. It runs entirely on your local machine, so your personal and professional contact data remains completely private and secure throughout the entire process. No technical skills, no complicated steps — just a clean, efficient conversion every time.