I think you meant comparable? If so, then yes - with extra features. If you did mean compatible then no - you cannot go from QuickBooks 2009 to 2007 (you can only upgrade).
Yes. QuickBooks is forwards compatible (meaning you can upgrade your file from 2007 to 2010). However, it is not backwards compatible (you cannot go from 2010 to 2007).
QuickBooks is not backwards compatible. You would have to be converting to the same version or higher for PC (2007 or higher).
Unfortunately, it doesn't look like you can convert to 2009 for PC, you would have to convert to 2008 and then upgrade.
Unfortunately, it doesn't look like you can convert to 2009 for PC, you would have to convert to 2008 and then upgrade.
They are not compatible since SAP is another accounting software and it is not one of Intuit's products.
Unfortunately, QuickBooks is not backwards compatible - meaning you cannot start with QuickBooks Pro and downgrade to Simple Start (you would have to start a whole new file in Simple Start).
QuickBooks Pro 2007 will work in Windows 8. However, you will need to pay for an upgrade to get it to work.
No, although you may get it to run in "compatibility mode".
No, Quickbooks Pro 2007 is not the current version of this software. Quickbooks Pro 2011 is available and would be the most current version. Like most software, it is updated every few years.
Yes!
it is nice and cool
You absolutely can uninstall your QuickBooks 2004 version from your computer. The data is stored in a file that is separate from the program and will not be removed if you uninstall your old version.