David H Ringstrom

AccountingWEB’s US-based tech editor-at-large David H Ringstrom continues his tutorial series with tour of the ways of saving and sending copies of your worksheets


Accessing the file menu can get quite repetitive in Excel 2010 or 2013, but AccountingWEB.com technology editor-at-large David H Ringstrom reckons Excel


After expressing disappointment following his first encounter

David H Ringstrom explores some of the quirks of the most popular Excel function: SUM. 

Most Excel users use the SUM function to sum a single range, such as =SUM(B2:B8).


The latest tip from David Ringstrom was inspired by a question in one of his High Impact Excel webinars.

AccountingWEB.com’s US tech editor-at-large David H Ringstrom has a few reservations about Microsoft’s spreadsheet migration to its big rival’s phone and tablet op


David Ringstrom says that building complex spreadsheets without using VLOOKUP is like putting a screw in the wall with a hammer.

Transatlantic trainer David H Ringstrom shows how to expand your formatting repertoire from cell colours and shades to include number formats.


David H Ringstrom returns to the scene of one of his more popular posts to pick out the second and successive instances of duplicate values in an Excel list.