Yesterday I tried to upload a workbook lotto.xlsm to thread https://www.excelforum.com/excel-gen...-repeated.html
The attempt was correctly rejected as the workbook was over 4MB in size, larger than the 1MB limit. I then attempted to upload a compressed file using 7Zip, not realizing that 7z was not a supported file type. This attempt too was correctly rejected.
Next I had 7Zip generate a standard .zip file which was 2.0MB in size, well within the allowed 9.8MB limit, and attempted to upload it. This attempt failed with the error "Upload of file failed." Why?
Finally I used Windows 10 to right click on the xlsm file, select "Send to" and "Compressed (zipped) Folder" to generate a zip file This file was 2.3MB in size and also failed to upload with the same error message. Why?
In summary, why did my two attempted uploads of relatively small zip files fail?
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