Landed in Israel yesterday, showing off our daughter to our families. Everybody is happy, except for the baby who is not used to so many people and so much attention, but I am sure she will get used to it. Updates to the blog may be slower and far...

In previous posts, I discussed a way of making server-side UDFs work on the client. This will work on pre-release versions of Office Server - to some extent. There's a problem we found with publishing workbooks that use COM addins and then trying to use...

When I wrote the previous post about returning personal data from UDFs, I suddenly realized that I never fully explained what volatility means in Excel Services UDFs. Since I know your life would not be complete without this information, I decided to...

In previous posts, I described how UDFs work and what they are useful for. One thing I did not discuss was the ability of a UDF to know under which user it’s actually being executed. The main reason for not discussing this before is that this ability...

A previous post discussed some changes we made to how we use session cookies in EWA. This post explains about one more featurette in that area. As described in the first cookie post, EWA uses cookies to store session information so that users get back...