


The Synchronization errors and issues in Outlook 2019, 2016, or 2013 usually occur due to damaged or corrupt Outlook data files, i.e., OST (Offline Storage Table). But sometimes, you may experience synchronization issues in Outlook that can lead to errors and prevent users from sending or receiving new emails. With proper settings and configuration, the synchronization between the Outlook client and mailboxes server ensures uninterrupted email flow. Any changes made, such as drafting a new email or deleting messages, etc., are stored in the Offline OST file and synchronized with the mailbox server. When configured with an IMAP-based email account, Outlook creates an OST Outlook data file to store an offline synchronized copy of mail items, such as emails, contacts, attachments, notes, tasks, etc. Methods to Resolve IMAP Sync Issue in Outlook 2019, 2016, or 2013.
