Insert cell comments in excel programmaticaly

calendar_today Asked Oct 21, 2008
thumb_up 6 upvotes
history Updated April 14, 2026

Direct Answer

I just did exactly that but with MS Word (using Microsoft.Office.Interop.Word range.Comments.Add ( range, ref _categoryMessage ); So, I would suggest using…. This is an advisory response with reference links, ranked #255th of 303 by community upvote score, from 2008.


The Problem (Q-score 5, ranked #255th of 303 in the Excel VBA archive)

The scenario as originally posted in 2008

What’s the better way to insert cell comments in excel 2007 files programmaticaly using c# and .net 3.5?

Why community consensus is tight on this one

Across 303 Excel VBA entries in the archive, the accepted answer here holds niche answer (below median) status — meaning voters are unusually aligned on the right fix.


The Verified Solution — niche answer (below median) (+6)

Advisory answer — community consensus with reference links

Note: the verified answer below is a reference / advisory response rather than a copy-ready snippet.

I just did exactly that but with MS Word (using Microsoft.Office.Interop.Word

range.Comments.Add ( range, ref _categoryMessage );

So, I would suggest using Microsoft.Office.Interop.Excel and the similar method.
Consider this from MSDN:

http://msdn.microsoft.com/es-es/library/microsoft.office.interop.excel.range.addcomment.aspx

Also see this too


When to Use It — vintage (14+ years old, pre-2013)

Ranked #255th in its category — specialized fit

This pattern sits in the 98% tail relative to the top answer. Reach for it when your scenario closely matches the question title; otherwise browse the Excel VBA archive for a higher-consensus alternative.

What changed between 2008 and 2026

The answer is 18 years old. The Excel VBA object model has been stable across Office 2013, 2016, 2019, 2021, 365, and 2024/2026 LTSC, so the pattern still compiles. Changes that might affect you: 64-bit API declarations (use PtrSafe), blocked macros in downloaded files (Mark-of-the-Web), and the shift toward Office Scripts for web-first workflows.

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Frequently Asked Questions

This is a below-median answer — when does it still fit?
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Answer score +6 vs the Excel VBA archive median ~4; this entry is niche. The score plus 5 supporting upvotes on the question itself (+5) means the asker and 5 subsequent voters all validated the approach.

This answer links out — what are the reference links worth following?
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Read the first external link for the canonical reference, then search this archive for a top-10 entry in the same category — advisory answers are best paired with a ranked code snippet to close the loop.

This answer is 18 years old. Is it still relevant in 2026?
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Published 2008, which is 18 year(s) before today’s Office 2026 build. The Excel VBA object model has had no breaking changes in that window. Three things to re-test: (1) blocked macros on downloaded files (Mark-of-the-Web), (2) 64-bit API declarations (PtrSafe, LongPtr), (3) any shift toward Office Scripts for web scenarios.

Which Excel VBA pattern ranks just above this one at #254?
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The pattern one rank above is “How to group rows/columns in EPPlus”. If your use case overlaps, compare both before committing.

Data source: Community-verified Q&A snapshot. Q-score 5, Answer-score 6, original post 2008, ranked #255th of 303 in the Excel VBA archive. Last regenerated April 14, 2026.

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