Hello, I would appreciate some help. I was keeping my photolibrary on a WD 2Tb My Passport for Mac. The file is around 64gb. A few months ago the hard drive became sick and the photolibrary would no longer open. I got quoted around $500 to recover the files and get a new hard drive. (I live in NZ so crazy prices like this are not unusual). I decided to wait until my partner went to India, for $30 they recovered the files and put them on a new WD My Passport Drive (which was also cheaper). Now I have the new drive back home. But in the meantime my MacBook Pro has updated software. MacBook Pro - mid 2014 MacOS Sierra Versiion 10.12.6 I have tried to open the photolibrary on the new hard drive, the message "The library “Photos Library” has inconsistencies that must be repaired" appears first, I click on 'repair" and then get the next messages The library could not be opened. The library “Photos Library” could not be recognized. The only options at this point are 'open other' or 'quit'. 1. How do I establish if my photolibrary file is corrupt? 2. Is it possible the library is created in an older software version than the current Sierra 10.12.6? 3. Please, can you help me fix this? I know the immediate answer should have been to store in the cloud, but that was not a practical solution as I was living with very limited internet for some time, and this is likely to be the case in the future.