What can be happening that slows down Excel to a crawl, sometimes for a minute or two, sometimes for hours, and its workload is spread across calls to DoEvents?
xerces-c
calico-project
bitmapfactory
announcement
rd
mp4parser
default-interface-member
commonsware-cwac
.net-standard-2.1
bounded-contexts
action-button
convertfrom-json
ng-show
message-handlers
openiso8583.net
cashapelayer
db2-zos
itemscontrol
enaml
adfs
xml-parsing
external-hard-drive
save
spring-validator
nettle
coefficients
angular-platform-browser
tortoisegitmerge
upnp
struts-config