Access 2007 specifications

In this article

Database specifications

Project specifications

Tip   Access 2010 features many improvements over Access 2007.

Database specifications

The following list of tables is specific to Microsoft Office Access 2007 databases:

General

Attribute

Maximum

Access database (.accdb) file size

2 gigabytes, minus the space needed for system objects

Note   NOTE: Although the maximum size for a single database file is 2GB, you can work around this limitation by using a split database. A front-end database file can point to thousands of back-end database files, each of which could be as large as 2GB. For more information, see the topic, Split a database.

Number of objects in a database

32,768

Number of modules (including forms and reports that have the HasModule property set to True)

1,000

Number of characters in an object name

64

Number of characters in a password

20

Number of characters in a user name or group name

20

Number of concurrent users

255

Table

Attribute

Maximum

Number of characters in a table name

64

Number of characters in a field name

64

Number of fields in a table

255

Number of open tables

2048; the actual number might be smaller because of tables opened internally by Access

Table size

2 gigabyte minus the space needed for the system objects

Number of characters in a Text field

255

Number of characters in a Memo field

65,535 when entering data through the user interface;
2 gigabytes of character storage when entering data programmatically

Size of an OLE Object field

1 gigabyte

Number of indexes in a table

32

Number of fields in an index

10

Number of characters in a validation message

255

Number of characters in a validation rule

2,048

Number of characters in a table or field description

255

Number of characters in a record (excluding Memo and OLE Object fields) when the UnicodeCompression property of the fields is set to Yes

4,000

Number of characters in a field property setting

255

Query

Attribute

Maximum

Number of enforced relationships

32 per table, minus the number of indexes that are on the table for fields or combinations of fields that are not involved in relationships*

Number of tables in a query

32*

Number of joins in a query

16*

Number of fields in a recordset

255

Recordset size

1 gigabyte

Sort limit

255 characters in one or more fields

Number of levels of nested queries

50*

Number of characters in a cell in the query design grid

1,024

Number of characters for a parameter in a parameter query

255

Number of AND operators in a WHERE or HAVING clause

99*

Number of characters in an SQL statement

Approximately 64,000*

*Maximum values might be lower if the query includes multivalued lookup fields.

Form and report

Attribute

Maximum

Number of characters in a label

2,048

Number of characters in a text box

65,535

Form or report width

22 in. (55.87 cm)

Section height

22 in. (55.87 cm)

Height of all sections plus section headers (in Design view)

200 in. (508 cm)

Number of levels of nested forms or reports

7

Number of fields or expressions that you can sort or group on in a report

10

Number of headers and footers in a report

1 report header/footer;
1 page header/footer;
10 group headers/footers

Number of printed pages in a report

65,536

Number of controls and sections that you can add over the lifetime of the form or report

754

Number of characters in an SQL statement that serves as the Recordsource or Rowsource property of a form, report, or control (both .accdb and .adp)

32,750

Macro

Attribute

Maximum

Number of actions in a macro

999

Number of characters in a condition

255

Number of characters in a comment

255

Number of characters in an action argument

255

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Project specifications

The following list of tables is specific to Office Access 2007 projects:

General

Attribute

Maximum

Number of objects in an Access project (.adp)

32,768

Number of modules (including forms and reports that have the HasModule property set to True)

1,000

Number of characters in an object name

64

Number of columns in a table

250 (Microsoft SQL Server 6.5)

1024 (Microsoft SQL Server 7.0, 2000 and 2005)

Microsoft SQL Server database

Microsoft SQL Server maximum capacity specifications are described in the SQL Server documentation.

Form and report

Attribute

Maximum

Number of characters in a label

2,048

Number of characters in a text box

65,535

Form or report width

22 in. (55.87 cm)

Section height

22 in. (55.87 cm)

Height of all sections plus section headers (in Design view)

200 in. (508 cm)

Number of levels of nested forms or reports

7

Number of fields or expressions that you can sort or group on in a report

10

Number of headers and footers in a report

1 report header/footer;
1 page header/footer;
10 group headers/footers

Number of printed pages in a report

65,536

Number of controls and sections you can add over the lifetime of the form or report

754

Number of characters in an SQL statement that serves as the Recordsource or Rowsource property of a form, report, or control (both .accdb and .adp)

32,750

Macro

Attribute

Maximum

Number of actions in a macro

999

Number of characters in a condition

255

Number of characters in a comment

255

Number of characters in an action argument

255

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Applies To: Access 2007



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