The document discusses 8 common reasons for data loss in enterprises: 1) unavailability of IT staff when needed for recovery, 2) impaired connectivity hampering recovery from the cloud, 3) inability to do granular file recovery when needed, 4) human error such as mistaken backup formats, 5) rogue employees threatening security, 6) accidental file deletions, 7) damaged backup media, and 8) corrupted backup data. Data loss reduces productivity and can seriously damage a business's reputation and profits. Understanding common causes can help businesses avoid future data loss issues.