excel

I just purchased online “100 Of My Best Workbooks” for excel. When I clicked on download or maybe it was open download, i got the usual lists of many of my apps but not excel in which to open the download file. How can I change what apps are viewed to open or save different files to? There are...

I have just installed Excel for iPad on my Air. I want to upload XLSX files from my PC (W10) to read on the iPad. How do I do that?

I have, as separate apps, Microsoft Word, Excel and PowerPoint. A few days ago, updates to each of these were released via the App Store. However, each time I tried to download them the iPad crashed and ether froze or rebooted. I carried out a hard reset but that did not cure the problem. I...