Knowledge base | OneStepCheckout Help Center

Our help center is your resource for anything related to OneStepCheckout.

Top Help Articles

  1. Changelogs (latest 4.5.7)
  2. Ogone extension integration
  3. PayPal hosted pro

General information

  1. Changelogs (latest 4.5.7)
  2. Upgrade to version 4.* from lower versions
  3. Uninstalling OneStepCheckout

Getting started

  1. Installation guide
  2. Customization guide
  3. User manual
  4. Upgrade guide
  5. Before going live
View all 10

Frontend customisation

  1. Save email in quote the soonest for abandoned cart extension
  2. Add duplicate email confirmation field
  3. Configuring Google Places Address Autocomplete
  4. How to make phone field optional
  5. Google analytics
View all 18

Backend issues

  1. Admin section throws error
  2. Admin shipping not showing
  3. Admin access denied
  4. Administration problems- I am getting a "Notice: Undefined index: model" error

Mobile devices

  1. Modal issues mobile

Localisation

  1. Download translations

Payment methods

  1. PayPal hosted pro
  2. Ogone extension integration
  3. Credit card payments are failing to validate
  4. Blank on failed payment
  5. Add-ipayment-support
View all 13

Troubleshooting errors

  1. Browser autofill
  2. Troubleshooting after upgrade
  3. Serial not working
  4. Getting blank page
  5. Comment in emails and PDFs
View all 8
Here you will always find an up-to-date installation-, upgrade- and customization-guides, as well as answers to common questions and problems. Use the links and search above to go to the desired destination.