A widespread problem is when Outlook keeps asking for the user credentials, even if the correct password is specified. After starting Outlook successfully connects to the on-premises Exchange server (or Microsoft…
Outlook
- ExchangeMicrosoft 365Office 365Outlook
Outlook: The Name Cannot Be Matched to a Name in the Address List
February 28, 2022In some cases, when you try to connect a new mailbox hosted on an on-premises Exchange Server or Microsoft 365 (Exchange Online), Outlook shows the following error after you enter…
- ExchangeMicrosoft 365OutlookWindows 10Windows 11
Fix: Microsoft Outlook Search Not Working on Windows 10/11
January 14, 2022If you face any troubles when searching for email items in different Outlook versions (nothing is found, not all results are displayed, not all *.pst files used for search, not…
- Microsoft 365MS OfficeOffice 365OutlookTeamsWindows 10
Blank Sign-in Screen in Office 365 Apps (Outlook, Teams, etc.)
January 10, 2022Some Windows 10 users complain that when launching Office 365 apps (Outlook, Teams, Word, Excel, etc.) or Outlook 2019/2016 (with Exchange Online mailbox), a blank white sign-in screen appears when…
- ExchangeMicrosoft 365Office 365Outlook
Disable Outlook Mailbox Auto-Mapping in Exchange/Microsoft 365
December 9, 2021The Mailbox Auto-Mapping feature in on-premises Exchange Server and Exchange Online (Microsoft 365) is used to automatically connect shared mailboxes to an Outlook profile. When Outlook starts, it gets a…
- AzureMicrosoft 365Office 365Outlook
Enabling Modern or Basic Authentication for Microsoft 365
September 29, 2021Modern Authentication is enabled by default for all new Microsoft 365/Azure tenants. This authentication protocol is more secure than the legacy Basic Authentication. Microsoft plans to completely block the use…
- ExchangeMicrosoft 365Office 365OutlookPowerShell
Export Exchange or Office 365 Global Address List (GAL) to CSV
August 30, 2021Let’s consider some ways of exporting the Exchange Global Address List (GAL) or Offline Address Book to a text CSV file. GAL contains all email addresses of your on-prem Exchange…
There is a 20 MB limit on the maximum attachment size in the Outlook email client (including the latest versions of Outlook for Office 365 and Office 2019/2016). It doesn’t…
- AzureExchangeMicrosoft 365Office 365OutlookPowerShell
Regional Mailbox Settings (Language, TimeZone) in Outlook, Exchange, and Microsoft 365
July 29, 2021You can use different regional settings for user mailboxes in on-prem Exchange and Exchange Online (Microsoft 365). The mailbox regional settings define the time and date format, time zone, language…
A user reported a missing Mail app icon in the Control Panel on a computer running Windows 10 1903. Office 365 is installed on the computer, and Outlook is used…