CellShield Add-In

Self-Service Spreadsheet Security

Need to protect data in your Excel spreadsheets?

You can with the IRI CellShield® PE add-in, a uniquely ergonomic and proven data security enhancement for Microsoft Excel® 2010, 2013, 2016, and Office 365 that delivers point-and-click data protections, including: data masking, encryption, and pseudonymization. Select the range of cells you want to protect, and then click the type of protection you need.


A simple-to-use interface takes you through the steps, and the CellShield add-in does the work for you. It immediately protects the data you selected in the way you specified, or sends the protected results to another worksheet (to share) instead. CellShield also provides for decryption and reverse pseudonymization so that you or other licensed users can conceal and reveal data in the same, or different, worksheets.

Will those Excel users need their own license to decrypt?

Yes. And, they will need to use the decryption key and function you specify.

Can the data mask be used on a formula? If yes, will the formula work?

Yes and No. You can mask the result of a formula, but a formula will not work on masked values.

The CellShield PE add-in also works from the CellShield Enterprise Edition (EE) add-in, too, and its masking functions are compatible with several of the enterprise-wide data protection functions available in IRI FieldShield® for databases and flat files, and with IRI DarkShield® for unstructured text and .pdf files.


CellShield PE therefore extends the range of data sources and targets available for PII masking to Excel. For example, your IT department can encrypt flat-file or database columns with FieldShield, and business users can decrypt their data exports in Excel with CellShield.

Technical Details

Provider: Innovative Routines International (IRI), Inc.

First released: November 2014, V1.0.3. Updated: October 2018, V1.7.1,

Language: English

System Requirements

Supported Operating Systems: Windows 7-10

Microsoft Excel® 2010, 2013, 2016, and Office 365.

Cost: $35 (non-refundable)

Installation & Purchase


Important: If you are prompted about Microsoft Visual Studio Tools for Office (or VB) Runtime during installation, bookmark this page [CTRL-D] and choose to Restart Now. Installation will automatically resume.

  1. Download the 32-bit CellShield add-in installer here, or the 64-bit version here.
  2. Run the cellshield_installer.exe file to install the add-in.
  3. Launch Excel.
  4. Click the CellShield tab at the top of the ribbon bar, and then on any CellShield button where a pop-up will direct you to purchase a license key.
  5. Click Purchase Page to open the web page where you pay for CellShield.

Like us and our Partner IRI on Facebook to obtain a 10% discount on CellShield. Learn how to use the coupon code here.

Premium Support Options

If you are not an IRI FieldShield licensee and need our help using IRI CellShield, we'll charge $125 per incident hour (minimum of one), or $1K per year for 10 incident hours and upgrades. Pay here, then email your payment confirmation page details and specific technical support request(s) to cellshield@iri.com.

Free Self-Learning

CellShield Help Page

CellShield is a registered trademark of Innovative Routines International (IRI), Inc. Microsoft and Excel are registered trademarks of Microsoft Corporation. Both corporations are wholly independent from each other.