Why does Microsoft Outlook Windows security keep popping up?

A Windows Security dialog box may appear after Outlook launches (see below). Normally this can be fixed by checking the Remember my credentials checkbox after entering your credentials and clicking the OK button. … In Outlook 2010+, click File > Info > Account Settings > Account Settings.

A Windows Security dialog box may appear after Outlook launches (see below). Normally this can be fixed by checking the Remember my credentials checkbox after entering your credentials and clicking the OK button. … In Outlook 2010+, click File > Info > Account Settings > Account Settings.

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