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Online Filing System Requirements

The Minnesota Business & Lien System (MBLS) application is supported by the following web browsers:

  • Microsoft Internet Explorer (Version 10, Version 11)
  • Google Chrome
  • FireFox

Please use the current version of browsers to make sure that our web pages display correctly and that you have the latest security updates.  Here's a list of browsers we support and the link(s).

Operating system

Recommended browser


Microsoft Internet Explorer, Mozilla Firefox, or Google Chrome (latest versions)


Mozilla Firefox (latest versions)

PDF Reader


Adobe Reader

Adobe Reader

Browser settings:

  • Javascript must be enabled.
  • Cookies must be enabled.
  • Popup blockers must be disabled. 

Other software needed: 

  • To view and print PDF files we recommend Adobe Reader 10 or higher.

NOTE: The MBLS portal session will expire after 2 hours if there has been no activity.