IBM Support

"Excel cannot open the file 'ABCDE.xlsx' because the file format or file extension is not valid" when use "Reports - Run" ... "Save"

Troubleshooting


Problem

User launches Controller, and clicks "Reports - Run". User chooses selections/parameters, and clicks the 'save' icon. Afterwards, user opens the file inside Microsoft Excel. An error appears.

Symptom


Microsoft Office Excel
Excel cannot open the file 'ABCDE.xlsx' because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.

[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"10.2.0","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

More support for:
IBM Cognos Controller

Software version:
10.2.0

Operating system(s):
Windows

Document number:
250527

Modified date:
08 May 2025

UID

swg21684210

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