Can lto6 read LTO-4?

The capacity for one generation of storage device to read media written by a previous generation of storage device. For example, LTO-6 is backward read compatible with LTO-5 and LTO-4; therefore, an LTO-6 tape drive can read tape cartridges written by LTO-5 and LTO-4 drives.

How long does LTO tape last?

about 30 years
Tape manufacturers usually quote the lifespan of their LTO tapes at about 30 years. However, LTO tapes are extremely sensitive to storage conditions, so this 30-year life expectancy assumes you are using ideal storage conditions – a constant temperature of about 70 degrees Fahrenheit and 40% relative humidity.

Can LTO6 read LTO-4?