Want to bulk import TSV files into Access tables at one time?
Try Withdata FileToDB, a desktop TSV to Access converter for Windows, MacOS, and Linux, Convert TSV to Access, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Convert locally and privately, avoid uploading large or private TSV files to online services.
- Support Windows, Linux, and macOS.
Bulk import TSV files into Access tables
Login to Access -> Choose TSV files -> Set Access tables -> Import TSV files to Access tables
Choose Access and logon.

Click “Wizard – N Files To N Tables” at task dialog.

Select the “TSV” file type.

then show the wizard.
1. Select a folder that constains TSV files.
Support large ( > 4GB ) TSV files.

2. Config first TSV file importing options.

3. Set “Import Type”.

4. Map Access tables to TSV files.

5. Summary. Set “Convert Rows” and “Skip Rows” if need.

6. Import TSV files to Access tables, 1 file to 1 table, one by one.

View imported data in Access table

Bulk import TSV files into Access tables in command line
Save “bulk TSV files to Access tables” session, then you can:
- Bulk import TSV files into Access tables in Windows command line.
- Bulk import TSV files into Access tables in Linux command line.
- Bulk import TSV files into Access tables in macOS command line.
Set scheduled tasks for bulk importing TSV files into Access tables
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “TSV to Access” conversion.
- Set scheduled task for “TSV to Access” conversion.
FAQ
More about Withdata FileToDB – TSV to Access converter
See Video: Access bulk import TSV files into tables in one go
See also:
TSV → Access reference
Type mapping
| Value kind | in TSV | in Access |
|---|---|---|
| Int | 1234 | Long Integer |
| Bigint | 9007199254740993 | Long Integer |
| Decimal | 1234.56 | Decimal |
| Float | 1.234e+10 | Double |
| Text | unquoted; a tab in the value splits the column | Text(n) |
| Long text | unquoted; newlines break the row | Long Text |
| Date | 2026-09-18 | Date/Time |
| Datetime | 2026-09-18 14:30:00 | Date/Time |
| Binary | not representable | OLE Object |
| Boolean | TRUE / FALSE | Yes/No |
| JSON | the whole JSON value as-is (its own quotes stay) | Long Text |
Dialect differences
TSV is a file format and Access is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.
| Property | in TSV | in Access |
|---|---|---|
| port | — | (file-based) |
| identifiers | Rarely used, which is exactly why tabs in data break it | [square brackets] |
| row limit | — | SELECT TOP n |
| dates | Conventional text: 2026-09-18 or 2026-09-18 14:30:00 | Date/Time |
| long text | — | MEMO |
| binary | Not supported - must be encoded | OLE Object |
| separator | Tab | — |
| encoding | No declaration - UTF-8 works only with a BOM | — |
| typing | None - every field is text | — |
| shape | Flat table, optional header row | Tables of rows and columns |
| ceiling | No formal limit | — |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
New to the format? Read what a TSV file is (and how it differs from CSV).
