Knowledge Base

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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 Office 365

Problem: You would like to find the Message-ID of an email and use this ID to track emails in Exchange Server and Office 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 Office 365 (Exchange Online) via Message-ID About [...] (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: 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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How to continue using CodeTwo software when you migrate to a new tenant

Problem: You’ve migrated your organization to a new Microsoft 365 tenant. As a CodeTwo Email Signatures for Office 365 user, you would like to know how to manage this change when it comes to the CodeTwo software and how it will affect your use of the software, including configuration, subscription, access permissions, templates, etc. [...] (ID:941)

How to fix the problem of double license assignment

Problem: You want to get information about license assignment in the CodeTwo Admin Panel. After you click the Show used licenses button on the Subscription page, you can see duplicate email address entries. In other words, the same user consumes two licenses instead of one. Solution: The most probable cause of the issue is the change of [...] (ID:940)

Understanding the EX to SMTP conversion issue

Problem: You’ve migrated your items to a new server / cloud using the CodeTwo migration software. Now, when you reply to an email, in the To field, instead of a regular email address of your recipient, you see a number of tags with values similar to the ones presented below:  (ID:939)