: You should keep copies of the actual tax returns (Form 1040) forever . 🔒 Security Best Practices Tax files contain Social Security numbers and bank details. Encryption : Ensure the archive is password-protected.

Are you currently undergoing an regarding older tax years?

: Keep sensitive archives on an encrypted external drive rather than unencrypted cloud folders.

: If you sold assets (like a home or stocks) in 2016, you need these records to prove the purchase price.

Since this is a specific file name, it is likely part of your personal records or a backup. Because 2016 is now several years in the past, it is important to handle this data with both legal and technical care. 📂 File Details : .7z (7-Zip)

: If you print documents from this archive, use a cross-cut shredder for disposal.

: The IRS can audit up to 6 years back if you underreported income by more than 25%.