Full name: Microsoft Office Excel 97-2003 Binary File Format (.xls). Also known as BIFF8. Description: The Microsoft Excel Binary File format, with the.xls extension and referred to as XLS or MS-XLS, was the default format used for spreadsheets in Excel through Microsoft Office 2003. Install Office Pro 2003. Try to open a.DOCX file - fails (obviously). Download and install the 'Office 2007 Compatibility Pack' (i.e. FileFormatConvertors.exe).DOCX files now open OK However when I try to open a.XLSX file, it opens read only, with a numeric incrementing reference number. If I try to save it the dialog starts in a temp.

• Office 2003 Open Xlsx
• Excel 2003 Xlsx Compatibility
• Office 2003 Xlsx
• Office 2003 Xlsx File Converter

Note

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Symptoms

When you try to open a file that Microsoft Office Excel or Microsoft Office Word could not open previously, you may receive the following error message:

Cause

This problem occurs because the file appears on the list of disabled files for the Microsoft Office program. The program adds a file to this list if the file causes a serious error, such as causing the program to quit unexpectedly (crash) during two or more tries to open it. This message allows you to avoid potential problems that may occur if you open the file.

Office 2003 Open Xlsx

Resolution

To resolve this problem, remove the file from the list of disabled files. To do so, follow these steps:

Word 2003 or Excel 2003

1. In Word 2003 or Excel 2003, clickAbout Microsoft Program on the Help menu to view the list of disabled files.
2. Click Disabled Items.
3. To re-enable one of the listed items, click the item, and then click Enable.

Excel 2003 Xlsx Compatibility

Office 2003 Xlsx

Word 2007 or Excel 2007

1. In Word 2007 or Excel 2007, click the Microsoft Office Button, and then click Word Options to view the list of disabled files.
2. In the left pane, clickAdd-Ins.
3. In the right pane, select Disabled Items in the Manage list, and then clickGo.
4. To re-enable one of the listed items, click the item, and then click Enable.

Note

Office 2003 Xlsx File Converter

Although a file is enabled, the program may still be unable to open it. The file may still cause serious errors.