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Home > RETScreen Help & Contact Us > Frequently asked questions > Windows/Excel & other
- I have downloaded the software but cannot open it in Excel?
Software & Data Requirements: Microsoft® Excel 2000 or higher; Microsoft® Windows 2000 or higher; and Microsoft .NET Framework 2.0 or higher. Please make sure that the latest updates from Microsoft (www.microsoft.com) for Windows and Excel are installed on your computer.
- Many cells in the software are password protected and we cannot input our values?
Cells that are password protected usually contain formulae that calculate the values for these particular cells. Consult the manual for a description of these particular cells and cell colour coding.
- Can I use RETScreen with Quattro Pro, or Lotus 123 or OpenOffice/Calc?
No, some of the Visual Basic programming in the macros may not be properly translated.
- Can I use RETScreen with a Macintosh?
The RETScreen Software does not work directly on Macintosh. However, you can use it on a Mac right now if you use the Parallels software, currently in the Mac OS X and later. We have many users using this successfully. RETScreen is not simply an Excel file, and in fact has close to 80,000 lines of code running it. We will look to eventually have a web-based version of RETScreen which will be platform independent. In the meantime, you can use Parallels.
- Some of the cells are not large enough to indicate what the costs are?
Upon opening, the RETScreen worksheets are set to a specific zoom in the Microsoft® Excel "View" menu. By setting this zoom to 100%, the contents of the cells may show properly. Of course, this will induce more right and left, up and down scrolling as less of each sheet will appear on the screen.