Troubleshooting Question

We’ve thoroughly checked the settings in both Outlook Web App (OWA) and the desktop version of Outlook, but we’re still encountering an issue where calendars are displayed in different languages. For instance, it shows “Kalender” in Danish and “Calendar” in English. What might we be overlooking in resolving this language inconsistency?

Solution: Changing the Language of a Shared Mailbox in Exchange Online Using PowerShell

To modify the language of a shared mailbox in Exchange Online, follow these steps:

Step 1: Connect to Exchange Online: First, establish a connection to Exchange Online using PowerShell. You can do this by running the following command:

Connect-ExchangeOnline

Step 2: Change the Language: Specify your preferred language by executing the following command:

Set-MailboxRegionalConfiguration -Identity  -LocalizeDefaultFolderName:$true -Language en-US

Note: Replace with the actual user ID of the mailbox you want to change. Also, ensure you use the appropriate language code (e.g., “en-US” for English) as per RFC 4646 specifications.

Step 3: Verification: To confirm the language change, you can run the command:

Get-MailboxRegionalConfiguration -Identity 

Now, the language of the shared mailbox has been successfully updated to your specified preference.

Appendix

Country and language Code
Afrikaans – South Africa af-ZA
Albanian – Albania sq-AL
Arabic – Algeria ar-DZ
Arabic – Bahrain ar-BH
Arabic – Egypt ar-EG
Arabic – Iraq ar-IQ
Arabic – Jordan ar-JO
Arabic – Kuwait ar-KW
Arabic – Lebanon ar-LB
Arabic – Libya ar-LY
Arabic – Morocco ar-MA
Arabic – Oman ar-OM
Arabic – Qatar ar-QA
Arabic – Saudi Arabia ar-SA
Arabic – Syria ar-SY
Arabic – Tunisia ar-TN
Arabic – United Arab Emirates ar-AE
Arabic – Yemen ar-YE
Armenian – Armenia hy-AM
Azeri (Cyrillic) – Azerbaijan az-AZ-Cyrl
Azeri (Latin) – Azerbaijan az-AZ-Latn
Basque – Basque eu-ES
Belarusian – Belarus be-BY
Bulgarian – Bulgaria bg-BG
Catalan – Catalan ca-ES
Chinese (Simplified) zh-CHS
Chinese (Traditional) zh-CHT
Chinese – China zh-CN
Chinese – Hong Kong SAR zh-HK
Chinese – Macao SAR zh-MO
Chinese – Singapore zh-SG
Chinese – Taiwan zh-TW
Croatian – Croatia hr-HR
Czech – Czech Republic cs-CZ
Danish – Denmark da-DK
Dhivehi – Maldives div-MV
Dutch – Belgium nl-BE
Dutch – The Netherlands nl-NL
English – Australia en-AU
English – Belize en-BZ
English – Canada en-CA
English – Caribbean en-CB
English – Ireland en-IE
English – Jamaica en-JM
English – New Zealand en-NZ
English – Philippines en-PH
English – South Africa en-ZA
English – Trinidad and Tobago en-TT
English – United Kingdom en-GB
English – United States en-US
English – Zimbabwe en-ZW
Estonian – Estonia et-EE
Faroese – Faroe Islands fo-FO
Farsi – Iran fa-IR
Finnish – Finland fi-FI
French – Belgium fr-BE
French – Canada fr-CA
French – France fr-FR
French – Luxembourg fr-LU
French – Monaco fr-MC
French – Switzerland fr-CH
Galician – Galician gl-ES
Georgian – Georgia ka-GE
German – Austria de-AT
German – Germany de-DE
German – Liechtenstein de-LI
German – Luxembourg de-LU
German – Switzerland de-CH
Greek – Greece el-GR
Gujarati – India gu-IN
Hebrew – Israel he-IL
Hindi – India hi-IN
Hungarian – Hungary hu-HU
Icelandic – Iceland is-IS
Indonesian – Indonesia id-ID
Italian – Italy it-IT
Italian – Switzerland it-CH
Japanese – Japan ja-JP
Kannada – India kn-IN
Kazakh – Kazakhstan kk-KZ
Konkani – India kok-IN
Korean – Korea ko-KR
Kyrgyz – Kyrgyzstan ky-KG
Latvian – Latvia lv-LV
Lithuanian – Lithuania lt-LT
Macedonian – Former Yugoslav Republic of Macedonia mk-MK
Malay – Brunei ms-BN
Malay – Malaysia ms-MY
Marathi – India mr-IN
Mongolian – Mongolia mn-MN
Norwegian (Bokmål) – Norway nb-NO
Norwegian (Nynorsk) – Norway nn-NO
Polish – Poland pl-PL
Portuguese – Brazil pt-BR
Portuguese – Portugal pt-PT
Punjabi – India pa-IN
Romanian – Romania ro-RO
Russian – Russia ru-RU
Sanskrit – India sa-IN
Serbian (Cyrillic) – Serbia sr-SP-Cyrl
Serbian (Latin) – Serbia sr-SP-Latn
Slovak – Slovakia sk-SK
Slovenian – Slovenia sl-SI
Spanish – Argentina es-AR
Spanish – Bolivia es-BO
Spanish – Chile es-CL
Spanish – Colombia es-CO
Spanish – Costa Rica es-CR
Spanish – Dominican Republic es-DO
Spanish – Ecuador es-EC
Spanish – El Salvador es-SV
Spanish – Guatemala es-GT
Spanish – Honduras es-HN
Spanish – Mexico es-MX
Spanish – Nicaragua es-NI
Spanish – Panama es-PA
Spanish – Paraguay es-PY
Spanish – Peru es-PE
Spanish – Puerto Rico es-PR
Spanish – Spain es-ES
Spanish – Uruguay es-UY
Spanish – Venezuela es-VE
Swahili – Kenya sw-KE
Swedish – Finland sv-FI
Swedish – Sweden sv-SE
Syriac – Syria syr-SY
Tamil – India ta-IN
Tatar – Russia tt-RU
Telugu – India te-IN
Thai – Thailand th-TH
Turkish – Turkey tr-TR
Ukrainian – Ukraine uk-UA
Urdu – Pakistan ur-PK
Uzbek (Cyrillic) – Uzbekistan uz-UZ-Cyrl
Uzbek (Latin) – Uzbekistan uz-UZ-Latn

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