Support for macOS Big Sur

Both Tecplot 360 and Focus 2020 R2 are supported on macOS Big Sur (11.0); however, the 2020 R1 releases for these products do not support Big Sur. If you’ve updated to Big Sur and need access to Tecplot products, please use Tecplot 360 or Focus 2020 R2 or newer. Downloads can be found on the MyTecplot portal. Updated 12/14/2020.


Tecplot 360 Will Not Open OneDrive Files

Problem: OneDrive has introduced a new capability called “Files On-Demand” which allows files to be downloaded on-demand. These files are not recognized by the Tecplot file dialog. If you are opening files from a OneDrive folder and receiving an error from the File Dialog, try one of the following workarounds. Solution: Upgrade to Tecplot 360 2017 R3 build 3.1 or later » Turn off Files On-Demand Right-click on the OneDrive […]

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Unable to run Tecplot after upgrading to XQuartz 2.7.5 Mavericks OS X 10.9 (and in some cases 10.8)

Note: Tecplot 360 EX is native to the Mac and doesn’t rely on an X Windows System. Download the latest release or get a free trial. Problem: Unable to run Tecplot after upgrading to XQuartz 2.7.5 on Mavericks OS X 10.9. Solution: If you are running Mavericks OS X 10.9 (and in some cases 10.8) you may have noticed XQuartz has pushed out a new release of XQuartz 2.7.5.  After you have […]

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AVI files saved on Mac OS X 10.8.2 do not play in QuickTime.

Problem: AVI files saved on Mac OS X 10.8.2 do not play in QuickTime. Solution: When saving an AVI file on a Mac the produced file will prove incompatible with QuickTime X.  It has been found that QuickTime X does not support many codecs that previous versions used too.  Thus the solution is to use another player. AVI files have been found to work properly on Mac OS X 10.6.8.  […]

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Tecplot 360 does not finish opening on Mac OS X10.5.7, OS X 10.8.2, after security updates are applied

Note:  With the release of Tecplot 360 EX for Mac the use of an X server is not needed.  Tecplot is now native to the Mac so this is no longer an issue with Tecplot 360 EX. Download the latest release or get a free trial. Problem: When opening Tecplot 360, the initial Tecplot window appears, however, Tecplot appears to “hang/freeze” on a grey screen. Solution: Apple is no longer supporting […]

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How to uninstall a Tecplot product on a Macintosh platform

Problem: I have a Tecplot product installed on my Macintosh machine and I need to uninstall it. What is the best way to go about this? Solution: On Macintosh platforms, two folders in addition to the Tecplot product installation folder are affected by installing a Tecplot product with the .pkg installer (included in the .dmg file): – /Library/Receipts/ (a record of the .pkg installation goes in here) – $HOME/Library/Preferences/ (the […]

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Banner flash but Tecplot doesn’t open.

Note: Tecplot 360 EX is native to the Mac and doesn’t rely on an X Windows System. Download the latest release or get a free trial. Problem: XDarwin also won’t launch. Solution: Installing XDarwin is a two-step process. Be sure to install the patch after installing XDarwin.