always save a pdf of each year's returns. best is to save a copy on your personal computer and a second copy on a removable drive. Many threads on this forum about drives going bad making the returns unrecoverable so having a copy on a second drive is advisable. Another reason is that Turbotax only supports the current and 3 prior years tax files. After the filing season officially ends for a year, shortly after it ceases support for the 3rd prior year. After that the 3rd prior year tax file can no longer be open
