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File crashes Excel!!

Save my workbook!
The best tool for salvaging problematic workbooks.

Trainings

Excel VBA Masterclass (English)
Excel VBA for Financials (Dutch)

Third party tools

Speed up your file

FastExcel
The best tool to optimise your Excel model!

What has changed?

PerfectXL Compare, for Spreadsheet Comparison
This Excel compare tool is fast, reliable, and easy to use. Compare two Excel files now and see for yourself!
Home

Your Excel Expert; uw Excel specialist

Welcome to the website of

JKP Application Development Services.

If you are looking for an Excel specialist and an Excel and VBA expert you've come to the right place.

My core business is developing solutions using Microsoft Excel/VBA and Access/VBA.Integration with other (Office) programs is possible.

Need expert Excel help? Get in touch.

My Services page lists some example projects.

Need Excel or VBA training? Information about our Excel and VBA trainings can be found on our trainings page.

If you need more information about me, look at my English homepage.

To find out whether you've actually found an Excel expert, I invite you to browse through my Excel articles.

I also recommend to try my free utilities.

Click here for remote assistanceClick for remote assistance

Welkom op de website van

JKP Application Development Services.

Als u op zoek bent naar een echte Excel specialist en een Excel en VBA expert dan bent u aan het juiste adres.

De nadruk ligt op het ontwikkelen van toepassingen in Microsoft Excel/VBA en Microsoft Access/VBA.Ook integratie met andere (Office) programma's is mogelijk.

Kunt u de hulp van een Excel expert gebruiken? Neem dan contact op.

Op de Diensten pagina vind u voorbeelden van projecten.

Zoekt u Excel of VBA cursussen? Informatie over onze Excel en VBA trainingen kunt u op onze training pagina vinden.

Wilt u meer over mij weten ga dan naar mijn Nederlandse homepage.

Wilt u zelf beoordelen of u een echte Excel expert heeft gevonden, bekijk dan mijn Excel artikelen.

Probeer ook eens mijn gratis hulpprogramma's.

Klik hier voor hulp op afstandKlik voor hulp of afstand

What's new on this site, nieuw op deze site:

English and/or Dutch content, Engelse en/of Nederlandse artikelen

Video: Smart Macro Recording
I presented during the Excel Virutally Global conference in July 2020, Here's the recorded video: Smart VBA Macro Recording
Mon, 24 Aug 2020 16:15:00 GMT

Updated article: Prevent Open Event
I have updated my existing article on how to prevent Open events from running as Microsoft has changed the way Excel responds to the Shift key being held down (it now ignores it).
Thu, 13 Aug 2020 16:15:00 GMT

New article: Enabling Drag and Drop between two Listboxes on a VBA Userform
I have added a new article today which shows how to enable drag and drop between two listboxes on an Excel userform
Wed, 10 Jun 2020 10:30:00 GMT

Nieuw artikel: Gegevenstypen gebruiken in Excel
Ik heb een artikel toegevoegd over het gebruik van Gegevenstypen in Excel.
Thu, 21 May 2020 16:00:00 GMT

New article: Using Data Types in Excel
I have added a new article today about data types in Excel.
Fri, 08 May 2020 15:20:00 GMT

New article: A Generic Spreadsheet Template
I have added a new article today about what every spreadsheet models should contain. With a free download too!
Fri, 01 May 2020 17:40:00 GMT

Nieuw artikel: Een Generiek Spreadsheet Sjabloon
Ik heb een nieuw artikel toegevoegd vandaag over wat er in ieder goed Excel bestand zou moeten zitten. Met gratis download.
Fri, 01 May 2020 17:40:00 GMT

The Excel VBA Masterclass
I have scheduled a new run of my Excel VBA Masterclass for these dates: May 18, 20, 26 and 28, 2020 June 2 and 4, 2020. The masterclass will be completely on-line, using Microsoft Teams. Make sure you register now
Thu, 23 Apr 2020 09:25:00 GMT