Olmapi32.dll is a critical system error that happens due to corrupt registry entries. Virus infection, improper outlook installation, improper system shut down and outdated drivers are some possible reasons of corruption in olmapi32.dll file. When olmapi32.dll file get delete anyhow from registry editor then you cannot perform general outlook operations such as email sending, receiving or any editing in PST files. It is important to repair corrupted olmapi32.dll file to correct the situation. You can solve this problem by replacing corrupted olmapi32.dll file with authenticate copy of the file. However, if you face data loss situations such as loss of emails, contacts or any such then it is recommended to use professional PST repair tool to get back lost data. The recommended tool is effective and easy solution of PST file recovery and repair.