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What web browsers are supported for use with D2L?

Mac OS X

Apple® macOS, Mac OS X 10.10 or higher

† Mac OS X 10.11 (El Capitan) or newer recommended


Microsoft® Windows 10

Microsoft® Windows 8

Microsoft® Windows 7

recommended browser

  ‡ In addition to the newest version of Firefox, D2L also supports Firefox Extended Support Release (ESR)


For information on using mobile web browsers with D2L, please see Mobile devices.

While other web browsers may work, those listed above are the only ones that have been certified as working with D2L. If you experience difficulties using D2L while using a browser not listed above, please switch to a supported browser.

Millersville University strongly recommend that you use a supported browser for critical class activities such as quizzes. Depending upon the design of a particular quiz, you may not be permitted to re-enter or retry the quiz should you discover problems with your non-supported browser after beginning your attempt.

Help Desk

Help Desk Contact Info

Location: Boyer Building
Phone: 717-871-7777
Call Center

  • Fall/Spring Semesters:
    • M-Th 7:00am - 7:00pm EST
    • F 7:00am - 5:00pm EST
  • Summer Sessions:
    • M-F 7:00am - 5:00pm EST

Walk-in TAC

Technical Assistance Center - access via W. Frederick Street side of building

  • Fall/Spring Semesters:
    • M-Th 8:00 am - 7:00pm, F 8:00am - 5:00pm EST
  • Winter/Summer Sessions:
    • M-F 8:00am - 5:00pm EST
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