I’d sure like to be able to view all my un-filed contacts in Gmail.
How do I check my list of contacts to make sure I haven’t forgotten to
place one in a group?
You may not like this answer, but unfortunately this is not possible today with Gmail’s contact management features. (this is the simple version of the answer)
(This is complicated and requires somewhat advanced Excel skills)
You could do this manually by exporting your gmail contacts to a CSV file one group at a time. (i.e. from within GMail, select Contract Group 1, then select Export to CSV. repeat with groups 2,3, 3 etc.) Open the CSV file in Excel once exported, add a column to the file and fill in the name of the group that you exported (for each contact record).
Continue to do an export for each group from GMail and manually add the group name within Excel until you’ve exported each group. Once you have all contacts exported in this manner, copy and paste them all into a single excel file.
Next, do one more export from Gmail, this time exporting your entire address book into one CSV file (referred to as "the ungrouped CSV file below". Open that file in Excel as well and now use VLookup (a function in Excel) to lookup each name in the ungrouped CSV file . Use the Vlookup function to try to find a match in the original (grouped) CSV file with the names in the ungrouped CSV file. VLookup will find the matched name in the grouped spreadsheet and then also report back the name of the group you’d assigned it to during the original export process. If Vlookup does not find a match, it will show up as a blank in the Vlookup formula result field, and you will know that those contacts are uncategorized.
Long story short, it’s not going to be easy, but if it’s really bugging you, it’s doable by using Excel.