When does a self-signed certificate make sense?

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Self-signed certificates are especially useful when Excel macros are used in a secure, internal environment. They allow macros to be signed without using a paid certificate authority. This method is particularly suitable for developers and companies that want to secure their own macros without having to trust external third parties.

Requirements for creating a self-signed certificate
To create a self-signed certificate for Excel macros, the following components are required:

Microsoft Office with chinese overseas asia database the SelfCert.exe tool
Accessing the VBA Editor in Excel
A macro-enabled Excel file (.xlsm or .xlsb)
Step-by-step instructions for creating a self-signed certificate
1. Run “SelfCert.exe”
Press Windows + R , type SelfCert.exeand confirm with Enter .
The SelfCert tool opens. Click "Create new certificate . "
Enter a name for the certificate, for example “My Macros” , and confirm with OK .