
Now check out the below-given tricks on how to open XLSM file when Excel denies to open it. First, save it to a folder on the hard disk then open the saved workbook. Please Note: It is advised to avoid opening the workbook directly from the email message. So, it is very important to be cautious while opening the executable XLSM file format and especially if you received it through email or downloaded from the third party websites. Well, the XLSM files possibly stores and execute harmful, malicious code through macros. How To Fix Can’t Open XLSM File In Excel 2013? Here in this article, check out the fixes to resolve Excel XLSM files won’t open in Excel 2013 error. This is a common problem and not only limited to Excel 2013 even the other Excel versions like Excel 20 users are also found reporting about the can’t open XLSM files.

But in many cases, the users are found reporting the unable to open xlsm file in Excel 2013. Well like other Excel file extension this is also very useful and makes the task easy for the users. The XLSM file is similar to an XLSX file, but the only difference is that XLSM files accomplish embedded macros programmed in the VBA language. Or in other words, XLSM file is a spreadsheet that includes macros written in (VBA) Visual Basic for Applications language. If anyone has experience with a similar issue any help would be appreciated.An XLSM file is an Excel file extension it is an macro-enabled worksheet (.xlsm) file. It seems like Excel is freezing when it "leaves" the "All calculations are up to date" state and goes to "calculations need to be updated" state, but I'm not sure why Excel hangs up there. I tried searching for an answer but have come up empty so far. This is mainly just a minor annoyance, but I would like to try to figure out if anything in the sheet is causing that freeze to occur.

Once that's done I have to deal with another freeze period after I change something in the sheet. This continues until I choose to calculate the entire spreadsheet again. Once that initial freeze up time is done, I can change as many values as I want without any additional freezing. The spreadsheet doesn't recalculate anything because it's in manual mode, but for some reason it hangs up for a bit.

However after it's been solved, if I modify any cells in the spreadsheet it will freeze up for 4-5 seconds before allowing me to change another cells. It works fine and normally calculates pretty quickly considering the size.

I have an excel file that 70MB plus that I run in manual calculation mode.
