I accidentally clicked on a column heading. My columns are now sorted. Is there anyway to get the columns to reverted back to unsorted?

I'm running on a Mac.
OS version 10.14.6.
BOINC version 7.14.2

I can't speak directly for Mac, but the Linux answer is that configuration settings are held in a hidden file called '.BOINC Manager'. In the Linux case, the file is in the user's home directory.

When you find it, the file has sections for each tab - Projects, Tasks, Transfers etc. The first line in each section starts SortColumn=, and the value should be -1 for an unsorted display. I'd advise you to make sure that BOINC Manager is fully shut down before making manual edits.

For Mac it must be somewhere else.

I'm familiar with Linux. I couldn't find that file anywhere on my hard drive. I've opened every BOINC related file that has a modified date within the last few days. I've even opened several nonBOINC files that have modified time in last 24 hours.

Why did the BOINC programmers make it so hard to find out how to undo one little mistake?

It'll be in the BOINC Manager Preferences file at /Users/(username}/Library/Preferences/BOINC Manager Preferences

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