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Microsoft Access Database Frequently Asked Questions

Welcome to Lemington Consulting's Microsoft Access Database Frequently Asked Questions.  In March, 2014, Lemington Consulting was recognized as one of the 20 Most Promising Enterprise Software Consulting Companies in the United States by CIO Review magazine.  Lemington's innovative I.T. solutions, its commitment to quality in all aspects of its business, and its strong customer focus all played a significant role in helping Lemington achieve this significant industry recognition.

If you don't see the answer to your question here, please feel free to chat with us using the Live Support button in the top right corner of this web page, email us your question at info@lemingtonit.com, or call us directly at 1-(877) 536-4648. You can also visit our Microsoft Access Consulting Services page. Thank you for visiting.



What are some of the reasons why I might want to use Microsoft Access?
Microsoft Access provides many advantages for organizing and managing information. Some of the most common reasons for using Microsoft Access include:
  • Centralizing data spread across multiple Excel worksheets or workbooks, or other file types
  • Creating custom data entry forms with lookups, checkboxes, listboxes, and textboxes that can be filtered easily
  • You find yourself doing many and complex lookups across numerous Excel worksheets and/or workbooks
  • The ability to allow multiple users to access and edit data simultaeously
  • Custom and standardized reports that can be emailed, faxed, printed, exported to Excel, exported to Microsoft Word, linked to a SharePoint list, or outputted to other formats
  • Integrating data with other software programs including accounting software (e.g. QuickBooks, etc.), Customer Relationship Management software (CRM), or other third-party software.
What types of applications can I build with Microsoft Access?
There really is no limit on the types of applications that can be built with Microsoft Access. Accounting, order management, inventory, contact management, estimating, and project management are just a few types. For example, some companies find that available accounting software packages do not give them the flexibility they need to capture their accounting information, and choose to build a custom Access application designed specifically for their business needs. The same holds true for order and inventory management.

Microsoft makes available many Microsoft Access templates for common needs such as contact management, inventory, etc. which can be customized further to meet a particular business need. These templates are available on the Microsoft.com web site. Regardless of whether an existing template exists, Microsoft Access can be used to design powerful, multi-user applications that can drive extraordinary efficiencies in your business.

With Access 2013, Microsoft has expanded the types of databases that can be built. Access 2013 allows the creation of Access databases with SharePoint interfaces and also creation of Access databases leveraging a cloud hosted SQL Server Azure database. With Access 2013, Microsoft is expanding the ability of Access databases to integrate with cloud solutions such as Office365.

Have an idea for a Microsoft Access application? Please feel free to contact us and we will be happy to provide an assessment and a free estimate.
Can multiple users open and use a Microsoft Access database at the same time?
Yes, Microsoft Access is a multi user application and supports multiple users working with a database at the same time. The same file can be shared by multiple users giving them access to the forms, reports and data. This is one of the great advantages of Microsoft Access versus single user applications. By placing the Access database on a share network drive, multiple users can gain access to and change the data and print reports.

For Access 2010, the maximum number of users would can use the database at the same time is limited to 255. This is a hard maximum. For performance and other reasons the maximum number of users is less than this depending on the exact configuration of your Access database.
What is the maximize size of an Access database and what options do I have if I reach this limit?
The maximum size of an Access database is two (2) gigabytes. This limit applies to both .mdb files and the newer Access database format files .accdb. For Access databases that have reached this limit, you have a number of options. One option would be to split the frontend database (forms and reports) from the backend database (tables and queries). This is called a split database. You can then link more than one backend database to the front end database with each backend database having a size limit of 2 gigabytes.

A second option when the size limit has been reached is upsize the backend database (tables and quieries) to SQL Server.. This is called upsizing the database. There is a free version of SQL Server that you can use (the version depends on your version of Access) which has a size limitation of between 4 GB and 10 GB. SQL Server 2005 Express has a size limitation of 4 GB while SQL Server 208 R2 Express has a size limitation of 10 GB. If you have a licensed version of SQL Server you can use this for the backend database. In this case, there would be 524 PB (petabyte) size limitation on the backend SQL Server 2008 R2 database.
Can I integrate Microsoft Access with other Microsoft Office applications including Microsoft Excel, Microsoft Outlook, and Microsoft Word?
Yes. The Microsoft Office suite of products including Excel, Outlook and Word are all designed to be accessible from other Microsoft Office applications including Microsoft Access. While the newer versions of Microsoft Access have enhanced Office integration features, there are few limits on how you can integrate the various Microsoft Office applications. For example, you can take data from your Access database and merge it into an HTML and have Access automatically generate this email and send it out via Microsoft Outlook. You can create Outlook tasks, appointments, and contacts all from within Microsoft Access.

Word mail merge documents are another integration possibility. You can take data from your Access database and merge it into a Word mail merge document without leaving Microsoft Access. Complex Excel worksheets can be created from data from an Access database giving you the option to export your data out of Access to Excel format with which more users are familiar.

New features in Office 2013 allow the integration of Microsoft Access with cloud based technologies such as Office365 and SharePoint Server. These cloud-based integrations open new opportunities for collaboration, sharing, and automation of Access database information.
What types of security are available with a Microsoft Access database?
Older versions of Access (version 2003 and earlier versions) supported an Access security methodology called the System Database. The System Database (.mdw) is a separate database from the Access database file (.mdb) and held security related information and permissions. Access database administrators would use a tool called the Workgroup Administrator to connect a System Database with a specific Access database. The System Database allowed the Access database administrator to provide usernames, group names, and passwords, as well as user and group specific permissions on specific Access objects (tables, queries, form, reports, etc.).

The new Access database format introduced with Microsoft Access 2007 (.accdb) no longer supports the System Database concept. Access database projects that require robust user security generally use SQL Server database backends (called an Access Data Project, .adp) where user security can be controlled at a very granular level using SQL Server security. SQL Server security also allows integration with Windows security making this a more efficient methodology for handling security than the separate usernames and passwords associated with a Access System Database.

Of course, Windows security (Access Control Lists, or ACLs) can be used at times where only a coarse level of security is required (e.g. read-only access to the database).
Can I integrate a Microsoft Access database with third-party software applications such as QuickBooks accounting software?
Yes. Most accounting software packages including QuickBooks include an programming interface (API) for integrating with their accounting software application. We get many requests from clients to move Microsoft Access and SQL Server data into QuickBooks or another accouting software program to reduce data entry redundancy and improve efficiency. Most items that can be created through the QuickBooks interface and be created itegration programming including invoices, payments, credit memos, timesheets, sales orders, purchase orders, inventory, etc. This is a powerful feature which can dramatically reduce accounting and administrative expenses. Please contact us for more information.
Can I migrate data from other database software (Lotus Approach, Dbase, Paradox, etc.) to a Microsoft Access database?
Yes. Microsoft Access has the capabilities to connect with most ODBC compliant database technologies. As long as an appropriate ODBC compliant driver exists, then connecting to and migrating from other database software is relatively straightforward. Most common database software packages have ODBC drivers available. Some niche database software packages do not have ODBC drivers available. In these cases, other migration strategies can be used, depending on the particular database software. If you have questions about the ability to migrate from a particular database package please contact us.
Can I use Microsoft Access to create reports using data from other databases?
Yes, this one of the features that makes MIcrosoft Access such a flexible database system. Using Access's linked table funcationality, data from any ODBC compliant database can be linked into Microsoft Access for querying and/or reporting. Database file formats including Oracle, DBase, Paradox, SQL Server, FoxPro, and even Lotus Notes can be linked into Microsoft Access. Linked tables in Access are essentially treated like any other Access table and can be used as the basis for report queries or directly as a report record source.
Can I upgrade an Access database created in a previous version of Microsoft Access to work with a newer version of Access?
Yes. There is a conversion tool in Microsoft Access that allows you to convert an older database format to a newer format. For example, you can convert an Access 2000 database format to an Access 2002-2003 formated database. The success of the database conversion will be in part determined by the design and extent of macros and Visual Basic coding that is used in the database. For example, there were significant changes to Microsoft Access between Access 97 and Access 2000. Accordingly, upgrading an Access 97 database normally requires more work due to these changes. The difference between Access 2000, Access 2002, and Access 2003 are less signficant and therefore upgrading between these formats is usually less work.

With the release of Access 2007, new Access database file formats (.accdb) where introduced. The new database file format supports some new features not found in previous versions of Access, however, it also deprecates some features (user security, replication) found in previous Access versions. Therefore, the questions as to whether to convert to the new database format depends on the specifics of your Access database. Conversions to the new Access 2007 format is supported for Access 97, Access 2000, Access 2002, and Access 2003.
Can I use Microsoft Access with Microsoft SQL Server database software and what are the advantages?
Yes, you can use SQL Server database software as a backend for an Access database application. In this scenario, the Microsoft Access forms and reports are in a front end database and the SQL Server tables, views, and stored procedures are in the backend SQL Server database. There is a freely available version of the SQL Server database software (e.g. SQL Server 2008 Express) that can be used, or you can use a existing licensed version of SQL Server. The freely available versions of SQL Server normally have a size limitation (between 4 GB and 10 GB depending on the version) whereas the licensed versions have a very large size limitation of 524 PB (petabytes) for SQL Server 2008 R2.

Advantages of using SQL Server as the database backend for an Access database application include scalability, security, and increased database capacity. SQL Server is a more scalable database technology allowing more Access database users while maintaining performance. Therefore, where an Access application is required to have many users, using SQL Server as the database backend improves performance. SQL Server also has more robust security including integrated Windows based security that make it a more suitable backend database choice where data security is an issue.

Microsoft Access has a database size limitation of 2 GB, whereas SQL Server has a minimum size limitation of 4 GB for the free version and unlimited capacity for the licensed versions. Therefore, were databases are predicted to be large in size, SQL Server can provide a better platform for building an Access database application. Particularly in databases that stored picture or image files, databases can grow quote large in size rather quickly, and reaching Access' 2.0 GB storage limit is not uncommon.

There are many other advantages to using a SQL Server backend with Microsoft Access including access to increased functionality available in SQL Server (e.g. SQL Server Reporting Services, SQL Server Integration Services, .NET CLR Integration, etc.)
Can I migrate my data from a Microsoft Access database to a Microsoft SQL Server database?
Yes, there are tools available for facilitating the transfer of tables and data to SQL Server. These tools greatly reduce the amount of time necessary for migrating from an Access database to a SQL Server database. Because SQL Server is does not have any direct form building capabilities you will still need Microsoft Access or another form building platform (Microsoft .NET Windows forms, ASP.NET web forms, etc.) to display and edit the SQL Server data. In addition, there is support for migrating Microsoft Access database reports to SQL Server Reporting Services which greatly reduces the costs of migrating reports to SQL, if this is a requirement.
Can I use SQL Server Reporting Services with an Access Database?
Yes, there are a number of ways to use SQL Server Reporting Services (SSRS) with Access databases. As background, SQL Server allows for the importing of Access database reports into SQL Server Reporting Services. This provides the advantage of building Access reports initially and then migrating those same Access reports to SSRS later without having to reproduce the reports. SSRS provides additional features above and beyond Access database reporting including the ability to view reports via an Internet browser, report subscriptions, and many other features.

If you have an Access Data Project (ADP) where SQL Server is being used at the backend database this makes the transition to SSRS easier. Your data already resides in SQL Server tables and you can migrate existing Access reports and/or build new SSRS reports for distribution via the web or email.

SSRS can also be used with Access Services in SharePoint 2010 to provide a reporting interface for Access databases. The free Reporting Services Add-in for SharePoint Server 2010 is a prerequisite to utilize this functionality
Can I use Microsoft Access on a Windows Mobile or Windows Phone device?
No, currently there is no version of Microsoft Access for Windows Mobile and Windows Phone devices. Database applications for mobile devices are generally built around SQL Server CE databases and a user interface built using the .NET Compact Framework. You may find third party software which allows the use of Microsoft Access databases on mobile phone, however, we do not have any recommendations at this time.

With the introduction of the Microsoft Surface tablets, it is now possible to use Microsoft Access on Windows 8 Professional for mobile computing. While tablets are not quite a portable as smartphones, this does give users another option for extending Access database applications to a mobile setting.
What are some things I can do when my Access database corrupts?
Access database corruption is less frequent in more recent versions of Microsoft Access than in earlier versions. How you deal with a corrupt Access database depends in part of the extent of the corruption. Sometimes the corruption only affects a single form or report, and other times the database corrupts to the point where the database cannot even be opened. In cases where the Access database can be opened and the corruption is limited to one or a few objects, the first troubleshooting step should be to compact and repair the database. If the corruption persists after a compact/repair then the next step would be to delete the corrupted form, report, or other object and import the same object(s) from a recent backup.

In other cases, you may be better off creating a new Access database and importing all the objects from the corrupt database into the new database. For situations where the database cannot be opened due to corruption there are third-party software utilities that may be able to repair the database corruption, but of course your success with these types of utilities will depend on the circumstance surrounding your particular database and there is no guarantee that such utilities can successfully recover your database.

Due to the possibility of Access database corruption, we highly recommend at least a daily backup of your Access database for frequently used databases, and more frequent backups if the software is critical to your business operations.
Can I run multiple versions of Microsoft Access on the same computer?
Yes, in general you can, although with the many different versions of Microsoft Access historically available and the number of historical operating systems (Win XP, Vista, Windows 7, Windows 8) your mileage may vary. In order to be successful running multiple versions of Microsoft Access on the same computer, you MUST install from oldest version to newest version in that order. Installing an older version when a newer version is installed will almost certainly break the newer version installation.

Therefore, if you want to run multiple versions and the newer version is already installed, you must uninstall the newer version, then install the older version, then reinstall the newer version. With the advent of virtualization, both operating system and application, there are other options available for running multiple versions of Microsoft Access.
 
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