[[https://www.thewindowsclub.com/stored-user-names-and-passwords-windows|clear stored credentials]]
<code>
rundll32.exe keymgr.dll,KRShowKeyMgr
</code>

[[https://www.msoutlook.info/question/490#:~:text=By%20default%2C%20Outlook%20allows%20up,9999%20via%20a%20Registry%20tweak.|mailbox limit]]

<file reg edvc_outlook_sigsync_off.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Setup]
"DisableRoamingSignaturesTemporaryToggle"=dword:00000001
</file>

<file reg edvc_outlook_20mbx.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Exchange]
"maxnumexchange"=dword:00000014
</file>

[[https://www.slipstick.com/outlook/disable-outlooks-account-wizard/|outlook old settings dialog]]

<file reg edvc_outlook_old_settings.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\​SOFTWARE\​Microsoft\​Office\​16.0\​Outlook\​setup
"DisableOffice365SimplifiedAccountCreation"=dword:00000001
</file>

<file reg edvc_outlook_2013_ost_100gb.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\15.0\Outlook\PST]
"MaxLargeFileSize"=dword:00019000
"WarnLargeFileSize"=dword:00017318
</file>

<file reg edvc_outlook_2016_ost_100gb.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\PST]
"MaxLargeFileSize"=dword:00019000
"WarnLargeFileSize"=dword:00017318
</file>

<file reg edvc_outlook_2016_ost_200gb.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\PST]
"MaxLargeFileSize"=dword:00038000
"WarnLargeFileSize"=dword:00037000
</file>

[[https://www.wintotal.de/tipp/ladeverhalten-der-add-ins-in-microsoft-outlook-beeinflussen/|Outlook Addin Ladeverhalten]]

windream option 3

https://www.thefakegeek.com/2019/08/04/solved-outlook-keeps-asking-for-password-over-and-over-again-office-365/
outlook modern auth

ACHTUNG: TLS 1.1+1.2 aktivieren (internetoptionen)

<file reg edvc_outlook_2013_enablemodernauth.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Exchange]
"AlwaysUseMSOAuthForAutoDiscover"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common]

[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\Identity]
"EnableADAL"=dword:00000001
"Version"=dword:00000001</file>

<file reg edvc_outlook_menue_unten.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides]
"Microsoft.Office.Outlook.Hub.HubBar"="false"
</file>

<file reg edvc_outlook_signature_sync_disable.reg>
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Setup]
"DisableRoamingSignaturesTemporaryToggle"=dword:00000001"
</file>