It contains all the log files that Outlook creates due to any possible reason. You can find this folder adjacent to all the folders that are present in Outlook. It is the main folder in which all the synchronization log files are stored. They are located under the below-mentioned folders. The Office 365 Synchronization Log Files are stored in the MS Outlook itself. Different Synchronization Log Issue Folders The log files stored in Outlook are categorized into three different folders based on their synchronization issues. The above reasons make it difficult for Outlook to synchronize the emails thoroughly and creates synchronization log issues. Due to the server failure, the connectivity breaks from the exchange server that causes the Microsoft Outlook synchronization log problem.The sync takes place at different durations that create the synchronization log issue. The transfer of mails from one device to another and especially to a mobile device.Corruption in the local cache files (OST) may give an error in the synchronization logs.Fix your OST file To Repair Outlook Sync Issue Error Folder.How do I Fix Synchronization Error in Outlook?.Different Synchronization Log Issue Folders.

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