Many cheap keys found on auction sites are "volume license" keys that expire after 6–12 months. A license is typically a lifetime key for the current major version, meaning you pay once and use it forever.

The choice is clear.

Opens documents, spreadsheets, and presentations.

If you don't want to pay for a license, consider these highly-rated free alternatives that don't require keys: FileViewPro Reviews - 2026 - Slashdot

: Official keys ensure your software is free from malware often bundled with "cracked" or "free" keys found on unofficial sites.

Why pay for a high-quality key when free tools exist? Here is the reality: