Use other applications to open Outlook email-attachments. A direct solution to rectify this issue is to uninstall the antivirus program from your machine. Many antivirus programs restrict opening email attachments in Outlook and cause malfunction. If you have extra questions about this answer, please click "Comment". Uncheck unnecessary add-ins and click OK. This provider DLL will be blocked in a future Outlook client update and its functionality will no longer be available. If the answer is helpful, please click "Accept Answer" and kindly upvote it. You should only load DLLs from trusted providers that have been registered in MapiSvc.Inf.
#Outlook crashes when opening gysnc32.dll how to
If your antivirus software is not up-to-date, Outlook may not function correctly.įor more information about performing a clean boot, see How to perform a clean boot in Windows ost)Ĭheck whether antivirus software is up-to-date or conflicts with Outlook In order to verify, what detailed version of Outlook are you using(File > Office Account > Outlook)? Does this issue also occur on the web side?Ĭonsidering that you have already taken some troubleshooting, it is recommended that you use the other below:ĭelete some unnecessary mail or folders, then manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of your mailbox and Outlook Data Files (.pst and. Windows 7: Click Start, type regedit.exe in the search box. Press Windows Key + R to open a Run dialog box. The applications that have been seen to be affected are Excel, Outlook, Skype for Business, Word, Access, Publisher, Project and OneNote. According to my search, there are several factors why Outlook is freezing when attempting to save attachments such as AppData folder is redirected to a network location, the installed antivirus software is outdated/conflicts with Outlook or Outlook is in use by another process. Microsoft Office 2016 applications may crash or cannot start.