Category: Outlook

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CRL Check – Certificate Revocation List Validation Freeware Tool

15.12.2025 admin

CRL Check for Windows Environments CRL check is a tool designed to collect executables from most used paths on your client. It checks whether they are digitally signed with a code certificate and then retrieves the Certificate Revocation Lists (CRL) and OCSP for each signed file it finds. It then automatic verifies if the client […]

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Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Microsoft SCCM,MEM,MDT Outlook

Verify if you are affected from MS EX1181125, new M365 group member added wrongly had OWNER permission 03.10-31.10.2025

05.11.2025 admin

Error: Some users added as members to a Microsoft 365 group in Outlook on the web may be given “Owner” permissions by default   Important Security Notice for M365 Groups Between October 3 and October 31, 2025, Microsoft Exchange Online experienced an issue that affected Microsoft 365 (M365) Groups. During this period, when a new […]

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Exchange 2016 Exchange 2019 M365 - Exchange Online Outlook

Outlook.exe, delay in receive and sending E-Mail in cached mode how to solve with GPO

11.11.2024 admin

In the OLD KB-Number: 982697 MS explains….. The default Behaviour for downloading shared folders can be modified using Group Policy and registry settings. Some of these policies and registry values may have improved the performance of shared folders in earlier versions of Outlook or when the shared folders were located in Exchange Server on-premises mailboxes. […]

M365,AZURE,INTUNE Exchange 2016 Exchange 2019 M365 - Exchange Online Outlook

16.07.2024, Office 365 / M365 EX814289 shared calendar not working

10.07.2024 admin

Workaround ONLY works as long as you don’t close Outlook.exe (Don’t close Outlook after it works until MS solves problem) EX814289 Users may be unable to access shared calendars in the Outlook desktop app. Users who have access to Outlook on the web or Outlook for Windows (https://www.microsoft.com/store/productId/9NRX63209R7B?ocid=pdpshare) can use this connection method to access […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Microsoft Exchange Outlook

Exchange-Powershell-list-all-user-who-have-a-Forward-or-Redirect-active

22.11.2023 admin

List or change Inboxrules employee have > Automatic E-Mail forwards to private or external E-Mail systems. Problem: In Exchange, users are able to forward E-Mail themself to an external private account. This is a problem because of compliance and if you don’t have a DLP (Data Lost Prevention). There are ways to prevent this (With […]

Exchange 2016 Exchange 2019 M365,AZURE,INTUNE Microsoft Exchange Outlook

M365 | on-premise, Outlook.exe DEBUG logging for troubleshooting complete guide

16.06.2023 admin

Enhancing Outlook Debug Logging for Troubleshooting Mike Butsch, www.butsch.ch What we want to do and why Outlook debug logging is a valuable tool for diagnosing and resolving issues within Microsoft Outlook. By enabling advanced logging, you gain deeper insights into the application’s behaviour, allowing for more effective troubleshooting. In this blog post, we will explore […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Outlook

WINMAIL.DAT (Exchange 2007-2016-M365) Outlook – DEUTSCH

25.10.2021 admin

WINMAIL.DAT Transport Neutral Encapsulation Format oder TNEF ist ein proprietäres E-Mail-Anhangsformat, das von Microsoft Outlook und Microsoft Exchange Server verwendet wird. Eine Datei mit TNEF-Codierung wird in der Regel als winmail.dat oder win.dat bezeichnet und hat einen MIME-Typ von Application/MS-TNEF. Der offizielle (IANA) Medientyp ist jedoch application/vnd.ms-tnef. Wie oder wann passiert das? Wenn ein Absender […]

CRUNCH Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Microsoft Exchange Outlook

Exchange 2013/2016 and 2010 Proxy back (400) Bad Request, ADS-user in too many ADS-groups member

23.06.2021 admin

Exchange 2010/2013/2016 Migration, problem after DNS-pointing to 2016 structure with some users Outlook.exe When you thought Kerberos Bloating is way back 2012 it returns. And after some research it is still all over the place. It does affect on premise Solutions as well as cloud solution like ADFS, AZURE etc. Error: This error (HTTP 400 […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 GPO | Gruppenrichtlinien M365 - Exchange Online Microsoft Exchange Outlook W10

Turn of Autodiscover warning box agree Outlook.exe with GPO

05.02.2019 admin

How to turn off Autodiscover Warning in Outlook 2010/2013/2016/2019 Warnung: Das Konto wurde fuer die Einstellung auf die Website umgeleitet https://support.microsoft.com/en-us/help/2480582/how-to-suppress-the-autodiscover-redirect-warning-in-outlook A little bit more explained than in the Microsoft KB and with a check THAT if you ONLY set the Registry key if the OFFICE Version is installed. During Migrations you could otherwise run […]

Exchange 2010 Exchange 2013 Microsoft Exchange Outlook

Exchange 2010/2013 How to turn of Mail TIPS (outlook.exe)

24.06.2014 admin

Event:     14035 Source:    MSEXCHANGE MAILTIPS http://blogs.technet.com/b/exchange/archive/2009/04/28/3407377.aspx Event: You can ignore this if you wish; if you’re not using MailTips then you can just disable this and will hopefully get out of the event log. Turn it off for all users: Set-OrganizationConfig –MailTipsGroupMetricEnabled $False Configuring MailTips http://technet.microsoft.com/en-us/library/dd638199(v=exchg.150).aspx Understanding MailTips http://technet.microsoft.com/en-us/library/dd297974(v=exchg.141).aspx

Exchange 2007 Exchange 2010 Exchange 2013 M365 - Exchange Online Microsoft Exchange Outlook W10

Outlook 2010/2013 disable automatic Team Calendar

06.05.2014 admin

Wird im Active Directory das Manager Feld belegt dann erscheint bei dem Benutzer im Outlook Automatisch Kalender eine neue Gruppe “Team Kalender”. Haben viele Personen den gleichen Vorgesetzten kann dies zu einer riesen Liste führen Beispiel: Dieses verhalten wird von Microsoft wie folgt beschrieben: “Team Calendar is a feature of Outlook 2010. You could find […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Microsoft Exchange Outlook

Outlook 2010, mailto:IMCEAINVALID, Autovervollständigung E-Mail Adresse

18.03.2014 admin

Fehler: m.butsch@donotmail.com (INVALID:m.butsch@donotmail.com) <mailto:IMCEAINVALID-m.butsch%2B2Ech@meinsenderdomain.ch> Problem bei der Zustellung der Nachricht. Kontakt als MAILTO statt SMTP im Outlook.exe Probleme mit Autovervollständigung / Vorschläge im Outlook.exe 2010 NIRSOFT NK2Edit Es ist leider so, dass Outlook.exe basierend auf der a) ersten alten E-Mail von einem Kontakt (z.B. 5 Jahre zurück) die E-Mail Adresse versucht aufzubauen/Vorzuschlagen. Wurde diese E-Mail […]

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