Frequently Asked Questions

To convert PST to MBOX using Univik PST Converter:

1. Download and install Univik PST Converter from the official website
2. Launch the application and click "Add File" to load your PST file
3. The software will display all folders and emails in a tree structure
4. Select the folders you want to convert or choose "Select All"
5. From the export options, select "MBOX" as the output format
6. Choose a destination folder for the converted files
7. Click "Convert Now" to start the conversion process

The converter preserves all email properties including headers, attachments, embedded images, and folder hierarchy. Large PST files (50GB+) are fully supported.

Learn More About PST Converter →

Yes! Univik OST Converter is specifically designed to work with orphaned OST files without requiring Outlook or Exchange Server connection.

The software can:

• Open OST files even when the original Exchange account is deleted
• Recover emails from corrupted OST files
• Convert to PST, MBOX, EML, PDF, and 15+ other formats
• Preserve all email metadata and attachments

This is ideal for users who have left an organization but need access to their archived emails.

Learn More About OST Converter →

Use Univik MBOX Converter to migrate from Thunderbird to Outlook:

1. Locate your Thunderbird MBOX files (usually in the Thunderbird profile folder)
2. Open Univik MBOX Converter and click "Add Files"
3. Navigate to and select your MBOX files
4. Preview the emails to verify content
5. Select "PST" as the output format
6. Click "Convert" to generate the PST file
7. Import the PST file into Outlook using File → Open → Import

The converter maintains the original folder structure and supports batch conversion of multiple MBOX files.

Learn More About MBOX Converter →

Univik vCard Converter makes it easy to export contacts to spreadsheet formats:

1. Install and open Univik vCard Converter
2. Click "Add VCF File" to load your contact file
3. Preview all contacts in a grid view
4. Select CSV or Excel (XLSX) as output format
5. Map contact fields if needed (Name, Email, Phone, Address)
6. Click "Export" to save your contacts

The tool supports single VCF files containing multiple contacts as well as batch processing of multiple VCF files.

Learn More About vCard Converter →

Univik email tools support all major email formats:

Input Formats:

• PST (Microsoft Outlook Personal Storage)
• OST (Outlook Offline Storage)
• MBOX (Thunderbird, Apple Mail, Gmail)
• EML/EMLX (Standard email files)
• MSG (Outlook message files)

Output Formats:

• PST, MBOX, EML, EMLX, MSG
• PDF, HTML, MHT, RTF
• CSV, TXT, DOC, DOCX
• Direct import to Gmail, Office 365, Yahoo Mail

No size limit! Univik converters are designed to handle files of any size:

• Tested with PST/OST files up to 80GB+
• MBOX files with millions of emails
• Optimized memory management for large files
• Progress indicator shows conversion status

For very large files (50GB+), we recommend using a system with 8GB+ RAM and SSD storage for optimal performance.

Use Univik Gmail Backup Tool for a complete backup:

1. Download and install Univik Gmail Backup Tool
2. Enter your Gmail address and authenticate via OAuth (secure, no password stored)
3. Select what to backup: Emails, Contacts, Calendars, Drive files
4. Choose output format (PST, MBOX, EML, or PDF)
5. Select folders/labels to backup or choose "All"
6. Click "Start Backup" and wait for completion

The tool uses Google's official API for secure access and supports backup of shared mailboxes for Google Workspace users.

Learn More About Gmail Backup →

Yes! Univik Office 365 Backup Tool allows you to:

• Backup individual or multiple mailboxes
• Save emails to PST, MBOX, EML, or PDF format
• Backup shared mailboxes and public folders
• Include attachments, contacts, and calendars
• Schedule automatic recurring backups
• Apply date filters for selective backup

Admin accounts can backup entire organization mailboxes with a single license.

Learn More About Office 365 Backup →

Yes! Univik IMAP Backup Tool works with any email provider that supports IMAP:

• Gmail, Yahoo Mail, Outlook.com, AOL
• Office 365, Exchange Online
• Zoho Mail, ProtonMail (Bridge), FastMail
• GoDaddy, Hostinger, Bluehost email
• Any corporate/ISP email with IMAP access

Simply enter your IMAP server details, login credentials, and start backing up.

Yes! Professional and Enterprise licenses include scheduling features:

• Daily, weekly, or monthly backup schedules
• Incremental backups (only new emails since last backup)
• Email notifications on backup completion
• Run backups unattended in background

Set it once and never worry about manual backups again.

Use Univik Email Migration Tool for seamless Gmail to Office 365 migration:

1. Connect your Gmail account as the source
2. Connect your Office 365 account as the destination
3. Select folders/labels to migrate
4. Map folder names if needed
5. Start the migration

The tool handles large mailboxes (50GB+), maintains folder structure, and includes delta migration for ongoing sync.

Explore Migration Tools →

Yes! Here's the process for cross-platform migration:

1. Use Univik PST Converter to export Outlook emails to MBOX format
2. Transfer the MBOX files to your Mac
3. Import MBOX files into Thunderbird using the ImportExportTools add-on

All emails, attachments, and folder structure will be preserved during the migration.

Migration time depends on several factors:

• Mailbox size: ~1-2 GB per hour for cloud migrations
• Internet speed: Faster connections = faster migration
• Number of items: Many small emails take longer than few large ones
• API limits: Some providers have rate limits

Typical estimates:

• 5 GB mailbox: 3-5 hours
• 20 GB mailbox: 10-15 hours
• 50 GB+ mailbox: 24-48 hours

License delivery is fully automated:

1. Complete your purchase via credit card or PayPal
2. Our system generates a unique license key instantly
3. You receive an email within 2-5 minutes containing:
   • Your license key
   • Download link for the software
   • Invoice/receipt
   • Activation instructions

Note: Check your spam/junk folder if you don't receive the email within 30 minutes. Contact support@univik.com if you still don't receive it.

It depends on your license type:

You can transfer a license to a new computer by deactivating it on the old one first.

Yes! You can upgrade at any time by paying the difference:

• Standard → Professional: Pay $60 difference
• Standard → Enterprise: Pay $260 difference
• Professional → Enterprise: Pay $200 difference

Contact support@univik.com with your existing license key to request an upgrade.

One-time purchase with perpetual license!

• No monthly or annual subscription fees
• Pay once, use forever
• You own the version you purchase permanently
• Professional and Enterprise plans include lifetime free updates
• Standard plans include 1 year of free updates

Don't worry! You can recover your license key:

1. Search your email for "Univik License" or "Order Confirmation"
2. Check spam/junk folders
3. If not found, email support@univik.com with:
   • The email address used during purchase
   • Approximate purchase date
   • Product name

Our support team will resend your license key within 24 hours (usually much faster).

Minimum System Requirements:

• OS: Windows 11, 10, 8.1, 8, 7 (32-bit & 64-bit)
• RAM: 4 GB minimum (8 GB+ recommended for large files)
• Disk Space: 100 MB for installation + space for output files
• Processor: 1 GHz or faster
• .NET Framework: 4.5 or higher (included in installer)

Note: Most Univik tools are Windows-only. Mac users can use a Windows VM or Boot Camp.

Try these troubleshooting steps:

1. Restart the application - Close completely and reopen
2. Run as Administrator - Right-click → Run as Administrator
3. Check file permissions - Ensure you have read access to source files
4. Update the software - Download the latest version from your account
5. Check antivirus - Temporarily disable or whitelist the application
6. Clear temp files - Delete files in %TEMP% folder

If the issue persists, contact support with:

• Screenshot of the error message
• Steps to reproduce the issue
• Your Windows version and software version

If activation fails, check the following:

• Copy-paste the key - Don't type manually to avoid typos
• Remove extra spaces - Check for spaces before/after the key
• Internet connection - Activation requires internet access
• Firewall settings - Allow the app through your firewall
• Correct product - Ensure the key matches the installed product

If still failing, email support@univik.com with your license key and screenshot of the error.

Our support team is available 24/7 through multiple channels:

• Live Chat: univik.com/live-chat (Fastest response)
• Email: support@univik.com (Response within 24 hours)
• Contact Form: univik.com/contact-us

For faster resolution, please include:

• Product name and version
• Your license key (or order ID)
• Detailed description of the issue
• Screenshots if applicable

We accept multiple secure payment methods:

• Credit/Debit Cards: Visa, MasterCard, American Express, Discover
• PayPal: Pay with PayPal balance or linked cards
• Bank Transfer: For enterprise orders (contact sales)

All transactions are processed through secure, PCI-compliant payment gateways (2Checkout/Verifone).

We offer a 30-day money-back guarantee on all purchases:

• Request a refund within 30 days of purchase
• No questions asked - simply email support@univik.com
• Refunds processed within 5-7 business days
• Refund goes back to original payment method

We strongly recommend trying the free demo version before purchasing to ensure the software meets your requirements.

Invoices are automatically included with your license delivery email. If you need:

• Different billing name/address: Contact support with your order ID
• VAT invoice (EU businesses): Provide VAT number during checkout or contact support
• Reissue invoice: Email support@univik.com with your order ID

If your payment fails, try these steps:

1. Verify card details: Check card number, expiry date, CVV
2. Check balance: Ensure sufficient funds/credit limit
3. Try another card: Use a different credit/debit card
4. Use PayPal: Alternative to card payment
5. Contact your bank: They may be blocking international transactions
6. Clear browser cache: Or try a different browser

If issues persist, contact support@univik.com and we'll help you complete the purchase.