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For Duo users

Do you use Duo Mobile for work, school, or to protect your personal accounts, like Instagram or Facebook? Check out the resources below for information on setting up and using Duo.

Self-service support


End-user guide - Learn about enrollment, authentication prompts, adding devices, and more.

InfoSec glossary - Learn common InfoSec terminology and clarify acronyms and other jargon.

Blog articles - Learn more about how Duo works and what we're doing to secure your essential workflows.

Download Duo Mobile
Duo Mobile for Android
Duo Mobile for iOS

Are you a student, employee, or general user looking for more support?

Work directly with your organization or university

If you can’t find an answer to your question in our self-service resources, please work directly with your organization to get assistance. Only the team responsible for implementing Duo is authorized to help you enroll, activate, re-activate, or troubleshoot Duo-related issues.

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Resources for Duo administrators

Are you managing Duo on behalf of your organization? If so, we've got some really useful step-by-step resources to help you optimize your account.

Shall we get started?

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Getting started guide

Learn the basics

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Integrations

Step-by-step instructions

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Deployment guide

Prepare for launch

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Setup videos

Follow along

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Product demos

See Duo in action

These are also really helpful


Knowledge base - Get answers to frequently asked questions.

Docs - Review our comprehensive product documentation.

Level up training - Get trained and certified as a Duo expert.

Help desk guide - Learn how to address common user concerns.

Community forums - Connect with and learn from Duo administrators and security pros.

Can't find what you're looking for?

If you're a Duo administrator: We encourage you to reach out to us through any of the methods below. Our support team is with you every step of the way.

File a case

Initiate a case by clicking on the Support Panel in the sidebar of your admin dashboard.

Open a case

Send us an email

Give a brief explanation of the issue you are facing, and we will get back to you!

Email us

Call support

Use your regional support number as listed below to talk to a live agent.

Contact live support

United States

1 (866) 760-4247

United Kingdom

44 0800 3585 315

Australia

61 (1300) 257 424

Belgium

32 08 002 67 84

Denmark

45 80 82 02 16

France

33 0805 08 43 26

Germany

49 0800 723 4790

India

91 000 800 040 3672

Japan

81 0800 170 5183

Netherlands

31 0800 022 3681

Norway

47 800 24 869

Singapore

65 800 32 11 183

Spain

34 900 839 077

Indonesia

62 00 180332160351

Philippines

63 1800 1320 0267

Taiwan

866 0080 149 1148

Hong Kong

852 800 938 751

Malaysia

60 1800 812 899

Cisco Global Support

1 800 553 2447 - Select option 3 and follow the options for Duo

When can I reach Duo support?

If you have standard support:

  • 9am-5pm Monday-Friday for all issues

  • 24 hours, 7 days a week for critical severity issues

If you have premium Duo Care support:

  • 24 hours, 7 days a week, 365 days a year for all issues*

    *For the holidays listed below, one or more of our regional teams may be unavailable. On those dates, we offer 24x7x365 for critical and high-severity issues only

How quickly will Duo get back to me?

All national holidays

US 2024 holidays

December 25, 2023 - Christmas Day
December 26, 2023 - Cisco Designated Holiday
January 1, 2024 - New Year’s Day
January 15 - Martin Luther King Day
May 27 - Memorial Day
June 19 - Juneteenth
July 4 - Independence Day
September 2 - Labor Day
November 5 - United States Presidential Election
November 11 - Veterans Day
November 28 - Thanksgiving Day
November 29 - Day after Thanksgiving Day
December 25 - Christmas Day
December 26 - Cisco Designated Holiday
January 1, 2025 - New Year’s Day

UK 2024 holidays

25 December, 2023 - Christmas Day
26 December, 2023 - Boxing Day
1 January, 2024 - New Year's Day
29 March - Good Friday
1 April - Easter Monday
6 May - Early May Bank Holiday
27 May - Spring bank holiday
26 August - Summer bank holiday
25 December - Christmas Day
26 December - Boxing Day
1 January 2025 - New Year's Day

Australia 2024 holidays

25 December, 2023 - Christmas Day
26 December, 2023 - Boxing Day
1 January, 2024 - New Year's Day
26 January - Australia Day
29 March - Good Friday
30-31 March - Easter Weekend
1 April - Easter Monday
25 April - Anzac Day
10 June - King's Birthday
7 October - Labour Day
25 December - Christmas Day
26 December - Boxing Day
1 January, 2025 - New Year's Day

Japan 2024 holidays

1 January - New Year's Day
8 January - Coming of Age Day
11 February - Foundation Day
12 February - Foundation Day (Observed)
23 February - Emperor's Day
20 March - Vernal Equinox Day
29 April - Showa Day
3 May - Constitution Day
4 May - Greenery Day
5 May - Children's Day
6 May - Children's Day (Observed)
15 July - Marine Day
11 August - Mountain Day
12 August - Mountain Day (Observed)
16 September - Respect for The Aged Day
22 September - Autumnal Equinox
23 September - Autumnal Equinox (Observed)
14 October – Health & Sports Day
3 November - Culture Day
4 November - Culture Day (Observed)
23 November - Labour Thanksgiving Day
1 January, 2025 - New Year's Day

Mexico 2024 holidays

1 January - New Year's Day
5 February - Constitution Day
18 March - Benito Juarez Day
28 March - Holy Thursday
29 March - Good Friday
31 March - Easter Sunday
1 May - Labor Day
2 June - Election Day
16 September - Independence Day
1 October - Inaugural Address by New Mexican President
18 November - Revolution Day
25 December - Christmas Day
31 December - New Year's Eve
1 January, 2025 - New Year's Day

India 2024 holidays

1 January - New Year's Day
15 January - Makar Sankranthi / Pongal
26 January - Republic Day
29 March - Good Friday
9 April - Ugadi/Gudi Padwa
11 April - Id ul Fitr (Ramzan)
1 May - May Day/Maharashtra Divas
17 June - Bakrid
15 August - Independence Day
2 October - Gandhi Jayanthi
31 October - Diwali Naraka Chaturdashi
1 November - Rajyotsava Day
25 December - Christmas
1 January, 2025 - New Year's Day

Portugal 2024 holidays

1 January - New Year's Day
13 February - Carnival
29 March - Good Friday
31 March - Easter Sunday
25 April - Liberation Day
1 May - Labour Day
30 May - Corpus Christi
10 June - National Day
13 June - St. Anthony/Lisbon Day
15 August - Assumption Day
5 October - Republic Day
1 November - All Saints' Day
1 December - Independence Restoration Day
8 December - Immaculate Conception
25 December - Christmas Day
1 January, 2025 - New Year's Day

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