Mar 7, 2022 · I want to upload a copy of my excel file (all my files have .xls extension since i use 97-2003 version of excel), but I don't know how to upload a copy of my file.

Nov 15, 2023 · I have a many-years-old excel file that just this morning gave me the message "The file format and extension of 'Ameriprise Monthly.xls' don't match". I am a non-tech user.

Sep 11, 2018 · HiError message after opening Excel file:‘The file format and extension of “filename.xls” don’t match. The file could be corrupted or unsafe. Unless you...

Dec 13, 2023 · Can't open XLSX file, extension not valid Hello, I can't open an Excel file that is important to me due to the extension not being valid or corrupted. I've tried about everything …

Jul 4, 2020 · If the file was saved with a different format but has an .xlsx extension, Excel might not be able to open it. Open with a Different Program: Try opening the file with a different …

Mar 16, 2017 · The JRXlsxExporter provides XLSX output documents that should be saved with the ".xlsx" extension. In your example the Excel document is saved as "test.xls", therefore the …

Jan 24, 2025 · Check the File Content: Ensure the content of the file is correct and in the expected format before sending it. You can do this by adding a step in your flow to save the …

In what version of Excel was the file created? If in version 2007 or later, was it specifically saved in Excel 97-2003 format? If not, the default file extension would be xlsx. If you upload a copy of …

Hi Doug, Thanks for your help. When i try to drag and drop the file i get message - The file type (.xlsx) is not supported. 0 Likes Reply Doug_Robbins_Word_MVP replied to Lauren366355 …

Sometimes, simply renaming the file and changing the extension back to .xlsx or .xls might work if the extension was incorrectly set during recovery. If these steps do not help, it’s likely that the …