{"id":17128,"date":"2022-10-17T15:08:40","date_gmt":"2022-10-17T09:38:40","guid":{"rendered":"https:\/\/www.stellarinfo.co.in\/blog\/?p=17128"},"modified":"2026-02-13T16:15:07","modified_gmt":"2026-02-13T10:45:07","slug":"outlook-mapi32-dll-error","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.co.in\/blog\/outlook-mapi32-dll-error\/","title":{"rendered":"How To Fix Outlook MAPI32.DLL Error? [SOLVED]"},"content":{"rendered":"\n\n\n
I have been using Microsoft Office for several years without any problem. I use Office 2016 on Windows 10. Since yesterday, Outlook is refusing to open and the dialog box says mapi32.DLL is corrupted\/ Outlook MAPI32.DLL Error.<\/i><\/strong><\/p>\n

However, everything else is working fine, including Word.
\n<\/i>What can I do?
\n<\/i>Regards,<\/i><\/strong><\/p>\n

[Frustrated and anxious MS Office user]<\/strong><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Mid-banner-stellar-repair-for-outlook\"<\/a><\/p>\n

I have been using Microsoft Office for several years without any problem. I use Office 2016 on Windows 10. Since yesterday, Outlook is refusing to open and the dialog box says mapi32.DLL is corrupted. <\/span><\/i>It\u2019s very common for us to get such frantic messages about Outlook MAPI32.DLL Error in our chat box. <\/span>When a dialog box pops up and shows – <\/span>\u201cOutlook failed to start because mapi32.dll was not found. Re-installing the application may fix this problem\u201d<\/span><\/p>\n

The immediate reaction is one of panic because Outlook is so important since it is a scheduling manager besides an email client.<\/span><\/p>\n

\"Fix<\/p>\n

But solutions are there.<\/span><\/p>\n

Indeed mapi32.DLL (also known as MAPI32.DLL) errors are quite common with Outlook.<\/span><\/p>\n

Let\u2019s delve deeper and help you solve the problem.<\/span><\/p>\n

What is Outlook MAPI32.DLL Error?<\/strong><\/h2>\n

It is a DLL file which is short for a Dynamic Link Library. Missing the crucial file causes DLL error in Outlook.<\/span><\/p>\n

A library file (only found on Microsoft) is a file that contains code that can be used by more than one program (hence the \u201clibrary\u201d).<\/span><\/p>\n

Also Read: What are Outlook PST files?<\/a><\/strong><\/p>\n

Mapi32.DLL stops working because of four reasons:<\/strong><\/p>\n