Forum Discussion
ENRIC121212
May 14, 2026Copper Contributor
Problem: Excel opened the first file quickly, but the second and subsequent files very slowly
Problem: Excel opened the first file quickly, but the second and subsequent files opened very slowly when launched externally (double click from Explorer or using excel.exe "file.xlsx"). Environmen...
Kidd_Ip
Jun 09, 2026MVP
Seems this is well known,learn.microsoft.com/en-au/answers/questions/5223545/excel-opens-2nd-subsequent-file-from-explorer-slow, try restore the ddeexec values under HKEY_CLASSES_ROOT\Excel.Sheet.*\shell\Open\ddeexec