A cloud or large export exceeds a size threshold or runs out of local space, so it stalls on the Analysis phase. Reducing the size and exporting in parts resolves it. Jump to your situation below or work through the methods in order.
This happens when an Outlook export exceeds a mailbox size threshold, or runs out of local disk space, and the process stalls on the Analysis phase without finishing. It is common with large mailboxes and cloud-based exports that have account size limits. The fix is to reduce what you are exporting and the mailbox size: empty the Deleted Items and Junk folders, remove large attachments, and export in smaller selections, by folder or date range, rather than the whole mailbox at once. Make sure the destination drive has plenty of free space, since the export needs working room. Splitting a large migration into several smaller exports keeps each one under the threshold and lets the analysis complete.
Before it writes anything, an export analyses the mailbox to work out what to copy. If the mailbox is over a size threshold, or the destination is short on space, that analysis cannot complete, so the export stalls there rather than failing outright.
So the cure is to give it less to do and more room to do it in. Cleaning out the mailbox and exporting in smaller selections keeps each export under the threshold, and freeing disk space lets the analysis and copy finish. Large migrations work best as several smaller exports.
“When an export hangs on Analysis, it is usually choking on size, either the mailbox is too big or the drive it is writing to is nearly full. So I trim the mailbox first, empty Deleted Items, clear junk, pull out the giant attachments, and then I export in chunks by date range instead of the whole thing at once. Each smaller export sails through analysis. And I always check the destination has plenty of free space, because the export needs room to work.”
An export that exceeds the limit or sticks on Analysis is a size problem, so clean out Deleted Items and junk, archive old mail, and export in smaller selections by folder or date range. Make sure the destination drive has plenty of free space, and split a large migration into several smaller exports.
If smaller exports still stall, a single oversized folder or a corrupt item may be the blocker; exporting folders individually isolates which one fails, and running SCANPST on the source PST clears a corrupt item. You can also submit your error to us for a tailored fix.
