When people need to transfer their mails, schedules, or contacts from one organization to another they might end up doing certain mistakes like deleting their exchange account without realizing that there could be data that have not synced properly. They might try taking the OST file with them without realizing that these are tied to the Outlook profile they were using and can't be used elsewhere.
These type of situations require one to use third party OST to PST Converter tools that could help convert OST files to PST format which is more manageable and transferable.
For quick and secure OST to PST Conversion use EdbMails that can export all mails,contacts, notes, calendars,tasks etc to PST. EdbMails works with OST files from most versions of Outlook.
If an Outlook account is deleted chances are high that the OST file associated with it is also deleted if this is the case, you could attempt system restore to a point before the account deletion.
In case of Exchange however, if within the mailbox retention period , you could create a new account and reconnect it to the mailbox from within Active Directory.
If you've got the OST file then the rest is rather simple. Follow the steps below to Convert OST to PST :
