PHP generated Excel Spreadsheets

Using PEAR :: Spreadsheet_Excel_Writer I am having compatibility issues with Excel 2007. Has anyone else experienced issues and got solutions? ________________________ Dale Attree PHP Developer Jacklin Enterprises tel: +27 11 265 4282 mobile: +27 83 407 2911 fax: +27 11 314 2984 *********************************************************************************************** The information contained in this e-mail is confidential and may be subject to legal privilege. Access to this e-mail by anyone other than the intended recipient is unauthorised. If you are not the intended recipient you must not use, copy, distribute or disclose the e-mail or any part of its contents or take any action in reliance on it. If you have received this e-mail in error, please notify us immediately by e-mail (postmaster@jacklinenterprises.com) or telephone (+27 11 265 4200). This message is free of all known viruses. It has been screened for viruses by Blockmail. ***********************************************************************************************