XLSM Won't Open? Convert to TSV Instantly
Fast, instant XLSM to TSV conversion. No signup required. Just drop your .xlsm file and get .tsv in seconds.
Batch Settings
About XLSM to TSV Conversion
Dealing with a XLSM file that won't open on your device? You're not alone — XLSM compatibility issues are one of the most common reasons people search for a file converter. XLSM is a widely used file format.
The fix is simple: convert your XLSM to TSV. TSV (Tab-Separated Values) uses tabs instead of commas, avoiding issues with comma-containing data. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting XLSM to TSV maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your XLSM file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a TSV file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert XLSM to TSV
- 1
Add your XLSM file
Drag and drop your .xlsm file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick TSV output
Select .tsv as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The spreadsheet engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .tsv file. For batch jobs, download all at once as a zip.
What Happens When You Convert XLSM to TSV
Your XLSM file is decoded and re-encoded as TSV.
Your XLSM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in TSV format
The converted file is ready for download
Format Comparison
XLSM
.xlsm file
| Extension | .xlsm |
| MIME Type | application/vnd.ms-excel.sheet.macroEnabled.12 |
| Category | Spreadsheet |
TSV
.tsv file
| Extension | .tsv |
| MIME Type | text/tab-separated-values |
| Category | Spreadsheet |
Should You Convert XLSM to TSV?
When to Convert
- ✓When you need a TSV file
Frequently Asked Questions
Why won't my XLSM file open?
XLSM files may not open if your device lacks the right codec or application. Converting to TSV — a more widely supported format — usually resolves this. TSV (Tab-Separated Values) uses tabs instead of commas, avoiding issues with comma-containing data.
Is it safe to convert XLSM to TSV online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting XLSM to TSV?
Converting XLSM to TSV maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my XLSM file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert XLSM to TSV on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.