In the File tab of Excel, go to Options > Trust Center (just under Add-Ins).

Lastly, check if Excel Trust Center settings are allowing the Add-In to be used by doing the following: The Add-In installer dialog should go through a number of steps, finishing with a message that the Add-In was installed successfully. Navigate to Window -> Application Preferences -> Excel Module Configuration and select which version of Excel you what the worksheet formats to be saved. Sometimes, even when you close Excel, some Excel processes may still be running.Ĭlose TreeAge Pro, right click TreeAge Pro icon and select Run As Administrator. Check with Task Manager in the Processes tab that there are no EXCEL.EXE processes. If you do not see the TreeAge Pro Add-in, it is possible that the Add-in installation process failed because some Excel process was running during Add-in installation. If you check the box for the old Add-in, Excel will ask if you want to delete this Add-in since the associated *.xla file could not be found. 'TreeAge Pro 2011 Add-in') from this list if you have deleted the older Add-in file as above. Make sure that only one check box for the TreeAge Pro Add-in is checked. In the same Excel Options Add-ins view, press the button 'Go. treeage-201x-addin.xla, should be removed (delete them with File Manager). In this case there are a few things to try.įirst, is there more than one TreeAge Add-In? If there is then locate the add-in file named tpaddin.xla (make a note of its location path).

Sometimes, there may be issues seeing the Excel Add-in.

To check the Excel Add-in is working, go to an Excel File Tab, select Options, Add-Ins, and you should be able to see TreeAge Pro Add-in in either Active or Inactive Application Add-ins groupings.

How to add add ins in excel mac