Office
What to Do When a ZIP File Won't Open
Three different problems produce the same error. Work out whether the download is incomplete, the format is not really ZIP, or a password is required.
7 min read
File formats
3 guides tagged “File formats”.
Explainers
What Is a JSON File and How Do You Open One?
JSON is plain text holding structured data. Any text editor opens it. Here is what the brackets mean and how to make an unreadable one legible.
7 min read
Office
How to Open a File When You Don't Have the Program
You do not need to buy the software that made it. Identify the format first, then use a free viewer or a browser-based app that reads it properly.
8 min read