Always make sure to close Outlook properly and also make proper arrangements for battery or electricity backup in case of power loss.Whenever you are importing data into PSTs, make sure that there are no interruptions.

You can follow a habit of backing-up all the PST data.There are some measures that you can take to avoid Outlook profile damages. What are the Precautions You May Take to Avoid This Error? Then you might need to repair your profile. Your Outlook is slowing down, or you are facing some hang issues.Cannot open the Outlook Window.” Then you need to repair Outlook profile as soon as possible. You are facing an error “ Cannot start Microsoft Outlook.This may happen due to PST issues or malware attack. You are facing error “Operation failed” in Outlook when you are trying to reply.There are multiple signs for a corrupted profile or a damaged PST. Any type of hindrance or interruption during Outlook Data transfer.It is always advised to avoid such a situation. If you have a lot of folders or subfolders, then again you may face profile issues. Another reason is when the size of the PST file maxes out sometimes the size of a PST is limited, and when users hit the limit, they face profile corruption. Sometimes due to a corrupted PST, the profile becomes inaccessible, and it needs repair. One of the many reasons for Outlook profile corruption is a corrupted PST. Try automated tool Kernel for Outlook PST Repair to repair corrupt PST file and fix Outlook PST error issues.

How to change a profile in outlook 2016 for your mac