Before going to the solution for Hotmail .ost cannot be opened, Let us know how this error occurs. Hotmail account can be configured with outlook, with the help of additional plugin “Hotmail Connector”. After configuring the account all the Mailbox data like contacts, calendar, emails and tasks etc will be stored on offline data storage file is saved as .ost. This OST file can be read without internet connection. After generating ost file, sometimes Hotmail OST cannot be accessed error will occur in Outlook. To solve this error we need to see some optimizing measures like Hotmail Support Number.
Quick Solution
EdbMails for OST to PST Converter is a free tool to convert orphaned OST Files to PST. Also, you can perform OST file migration to Live Exchange or to Office 365.
When this Hotmail.ost cannot be accessed Error Occurs?
- When outlook profile is uninstalled.
- When the OST file is corrupted.
- When Outlook is uninstalled.
- When MS outlook is running in compatibility mode.
- When Hotmail connector is running in old version.
- Problem in connecting Hotmail connector.
Methods to fix:
1. Re-Install Hotmail connector:
- Delete the old Hotmail account in outlook
- Uninstall Hotmail connector
- Close the Outlook
- Delete the OST file created by old outlook
- Re-Install the Outlook Hotmail Connector.
- Configure outlook with a new profile and create a new OST file for Hotmail account.
2. Outlook is in compatibility mode:
- Go to C Drive, then open Program files>> Go to MS Office -> Office 14.
- Search for Outlook .exe and right click on it.
- Click the properties option and go to compatibility tab.
- Under that uncheck Compatibility Mode and click OK.
3. Alternative Solution – EdbMails OST to PST Converter:
Quick Solution
EdbMails for OST to PST Converter is a free tool to convert orphaned OST Files to PST. Also, you can perform OST file migration to Live Exchange or to Office 365.
Manual solution will be hard to solve the above Issues. You may go for the alternative solution i.e. is you can use one of the best third party tool – EdbMails OST to PST Converter. This OST converter is reliable and efficient with outlook 2003,2007,2010 ,2013 and 2016.