What are the keys to content optimization?

When writing a business letter, how many times can you use the same merge field in a document? once once, unless using the address block feature unlimited it will depend on the type of document you choose

What is the total number of time zones that can be configured to show by default in a calendar in outlook 2016?

In command prompt, whats a command that will list only .ini files in c: \windows\system32 directory?