If the eDiscovery Export Tool is stuck in a "Processing" error, there are several steps you can take to resolve the issue. First, ensure that there are no active mailbox searches or queries causing the tool to freeze, as large or problematic queries can lead to delays. Try clearing your browser’s cache and cookies, or use a different browser like Microsoft Edge or Google Chrome, as co... https://www.office365tips.org/ediscovery-pst-export-tool-stuck-calculating/