Although, when you start having errors if you try to escalate the database, you could be certain about some damage to MDB files. As for a wide range of factors from network issues to software or hardware issues that can cause the corruption of the files, the issue now is to not worry about the cause of the corrupt files but in the understanding of how a person can restore these Microsoft Access files. You can hire a custom MS Access database developer to tackle the problems in MS Access.
Most of the time, if Microsoft Access detects a small corruption within the data file that we are unable to open, it will inform us, and would offer us the alternative of compacting or repairing the same database.
Although, the problem would arise when a file would prove inaccessible to tools or the problem may also arise if the level of corruption in a file may rise to such a level that they are unable to restore Microsoft access files.
In these situations, the final result is moreover the same, i.e. the loss of a little or a very large data from the data files. But if you have taken a regular backup of the data files in question then you may be able to restore your important data from the latest backup.
Again, if you forgot to take backup of your data files or the storage that you chose to take backup on is damaged or corrupted then you may fall in danger that your data may have been permanently lost.