According to the results of a long-term study, side effects decrease, and skin improvement increases, the longer patients stay on Humira 09/17/15 | Melissa Leavitt According to the results of a long-term study, side effects decrease, and skin improvement increases, the longer patients stay on Humira (adalimumab). The study, published in the September issue of the Journal of the American Academy of Dermatology, studied thousands of people with psoriasis taking the biologic drug.
Instructions. Click on the Windows âStartâ button then on âComputerâ to open Windows Explorer. Browse your computer to find the Excel file. Check the file extension. If it is .xlsx then the file was created with Excel 2007.The extension .xls indicates older program versions. Right-click on the Excel file and choose âPropertiesâ from the pop-up menu. Select the tab âDetailsâ (in Windows Vista or 7) or âSummaryâ then âAdvancedâ (in Windows XP).nstructions. Click on the Windows âStartâ button then on âComputerâ to open Windows Explorer. Browse your computer to find the Excel file. Check the file extension. If it is .xlsx then the file was created with Excel 2007.
Excel cannot open the file 'filename.xlsx' because the file format for the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.. However, this error message is not limited to the Excel files that a user gets via emails.