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How to extract MSI files from an EXE installer »
Problem: You need to extract an .msi file from an .exe installer. Solution: There are at least three ways of solving this problem, but none of them is universal. You might need to go through all of them to find the one that works for the EXE installer that you have. CodeTwo strongly advises against extracting (and using) MSI files from [...] (ID:503)
How to find the Message-ID of an email and use it to track messages in Exchange and Microsoft 365 »
Problem: You would like to find the Message-ID of an email and use this ID to track emails in Exchange Server and Microsoft 365 (Exchange Online). Solution: About Message-ID How to find the Message-ID of an email How to track emails in Exchange Server via Message-ID How to track emails in Microsoft 365 (Exchange Online) via Message-ID [...] (ID:496)
What is UPN (User Principal Name)? »
In Windows Active Directory, a User Principal Name (UPN) is the name of a system user in an email address format. A UPN (for example: [email protected]) consists of the user name (logon name), separator (the @ symbol), and domain name (UPN suffix). Important A UPN is not the same as an email address. Sometimes, a UPN can match a [...] (ID:448)
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Troubleshooting problems with CodeTwo add-in deployment »
Problem: You experience problems deploying CodeTwo’s signatures add-in for Outlook centrally via the Integrated apps page in the Microsoft 365 admin center. You get the following error: Deployment failed Solution: This error is not related to CodeTwo because Microsoft handles the deployment (and update) process for add-ins across all [...] (ID:1161)
How EWS retirement affects Sent Items Update (SIU) in CodeTwo Email Signatures 365 »
Problem: Microsoft plans to retire Exchange Web Services (EWS) for Exchange Online (Microsoft 365 only) in October 2026. If you use the Sent Items Update (SIU) feature in CodeTwo Email Signatures 365, you might have received the following notification in your Microsoft 365 tenant’s Message center: Action Required: Update active [...] (ID:1150)
How to set a password for a shared mailbox »
Problem: You want to learn how to set a password for a shared mailbox in Microsoft 365 (Office 365), for example, to add the mailbox as a standard user account (secondary account) in your email app. Solution: Important If you want to use CodeTwo signatures with a shared mailbox, note that in most cases you shouldn’t password-protect [...] (ID:1149)
